AP Calculus AB Flashcards: Calculating Higher Order Derivatives

Study Calculating Higher Order Derivatives in AP Calculus AB with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

AP Calculus AB

Calculating Higher Order Derivatives

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QUESTION
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What is the second derivative of f(x)=x3f(x) = x^3?

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ANSWER

f(x)=6xf''(x) = 6x. Apply power rule twice: f(x)=3x2f'(x) = 3x^2, then f(x)=6xf''(x) = 6x.

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What this deck covers

This deck focuses on Calculating Higher Order Derivatives, giving you a quick way to review the definitions, rules, and examples that matter most for AP Calculus AB.

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Flashcard 1: What is the second derivative of f(x)=x3f(x) = x^3?

Answer: f(x)=6xf''(x) = 6x. Apply power rule twice: f(x)=3x2f'(x) = 3x^2, then f(x)=6xf''(x) = 6x.

Flashcard 2: Calculate the third derivative of f(x)=x5x3+xf(x) = x^5 - x^3 + x.

Answer: f(3)(x)=60x26f^{(3)}(x) = 60x^2 - 6. Differentiate three times: f(x)=5x43x2+1f'(x) = 5x^4 - 3x^2 + 1, then continue.

Flashcard 3: Calculate the second derivative of f(x)=14x4+xf(x) = \frac{1}{4}x^4 + x.

Answer: f(x)=3x2f''(x) = 3x^2. First derivative is x3+1x^3 + 1, second derivative is 3x23x^2.

Flashcard 4: State the second derivative of f(x)=12x2xf(x) = \frac{1}{2}x^2 - x.

Answer: f(x)=1f''(x) = 1. First derivative is x1x - 1, second derivative is constant 11.

Flashcard 5: What is the second derivative of f(x)=x2+2x+1f(x) = x^2 + 2x + 1?

Answer: f(x)=2f''(x) = 2. First derivative is 2x+22x + 2, second derivative is constant 22.

Flashcard 6: Find the second derivative of f(x)=e2xf(x) = e^{2x}.

Answer: f(x)=4e2xf''(x) = 4e^{2x}. Use chain rule: f(x)=2e2xf'(x) = 2e^{2x}, then f(x)=4e2xf''(x) = 4e^{2x}.

Flashcard 7: State the second derivative of f(x)=12x2xf(x) = \frac{1}{2}x^2 - x.

Answer: f(x)=1f''(x) = 1. First derivative is x1x - 1, second derivative is constant 11.

Flashcard 8: Find the second derivative of f(x)=x33x2+3x1f(x) = x^3 - 3x^2 + 3x - 1.

Answer: f(x)=6x6f''(x) = 6x - 6. First derivative is 3x26x+33x^2 - 6x + 3, second derivative is 6x66x - 6.

Flashcard 9: What is the third derivative of f(x)=13x3+x2f(x) = \frac{1}{3}x^3+x^2?

Answer: f(3)(x)=2f^{(3)}(x) = 2. First derivative is x2+2xx^2 + 2x, second is 2x+22x + 2, third is 22.

Flashcard 10: Calculate the third derivative of f(x)=x5x3+xf(x) = x^5 - x^3 + x.

Answer: f(3)(x)=60x26f^{(3)}(x) = 60x^2 - 6. Differentiate three times: f(x)=5x43x2+1f'(x) = 5x^4 - 3x^2 + 1, then continue.

Flashcard 11: What is the second derivative of f(x)=x42x2+1f(x) = x^4 - 2x^2 + 1?

Answer: f(x)=12x24f''(x) = 12x^2 - 4. First derivative is 4x34x4x^3 - 4x, second derivative is 12x2412x^2 - 4.

Flashcard 12: Calculate the second derivative of f(x)=1xf(x) = \frac{1}{x}.

Answer: f(x)=2x3f''(x) = \frac{2}{x^3}. Rewrite as x1x^{-1}, apply power rule: f(x)=x2f'(x) = -x^{-2}, f(x)=2x3f''(x) = 2x^{-3}.

Flashcard 13: Find the second derivative of f(x)=13x3f(x) = \frac{1}{3}x^3.

Answer: f(x)=2xf''(x) = 2x. First derivative is x2x^2, second derivative is 2x2x.

Flashcard 14: Calculate the second derivative of f(x)=13x3+2xf(x) = \frac{1}{3}x^3 + 2x.

Answer: f(x)=2xf''(x) = 2x. First derivative is x2+2x^2 + 2, second derivative is 2x2x.

Flashcard 15: Find the third derivative of f(x)=5x4+3x2f(x) = 5x^4 + 3x^2.

Answer: f(3)(x)=120xf^{(3)}(x) = 120x. Differentiate three times: f(x)=20x3+6xf'(x) = 20x^3 + 6x, f(x)=60x2+6f''(x) = 60x^2 + 6, f(x)=120xf'''(x) = 120x.

Flashcard 16: Find the second derivative of f(x)=x33x2+3x1f(x) = x^3 - 3x^2 + 3x - 1.

Answer: f(x)=6x6f''(x) = 6x - 6. First derivative is 3x26x+33x^2 - 6x + 3, second derivative is 6x66x - 6.

Flashcard 17: State the second derivative of f(x)=12x2+3x+5f(x) = \frac{1}{2}x^2 + 3x + 5.

Answer: f(x)=1f''(x) = 1. First derivative is x+3x + 3, second derivative is constant 11.

Flashcard 18: State the second derivative of f(x)=12x2+3x+5f(x) = \frac{1}{2}x^2 + 3x + 5.

Answer: f(x)=1f''(x) = 1. First derivative is x+3x + 3, second derivative is constant 11.

Flashcard 19: State the formula for the nn-th derivative of f(x)=xnf(x) = x^n.

Answer: f(n)(x)=n!f^{(n)}(x) = n! if nn is a positive integer. Each differentiation reduces the power by 1 and multiplies by the current power.

Flashcard 20: What is the second derivative of f(x)=15x5f(x) = \frac{1}{5}x^5?

Answer: f(x)=4x3f''(x) = 4x^3. Apply power rule twice: f(x)=x4f'(x) = x^4, then f(x)=4x3f''(x) = 4x^3.

Flashcard 21: Calculate the third derivative of f(x)=16x6f(x) = \frac{1}{6}x^6.

Answer: f(3)(x)=20x3f^{(3)}(x) = 20x^3. Apply power rule three times: f(x)=x5f'(x) = x^5, f(x)=5x4f''(x) = 5x^4, f(x)=20x3f'''(x) = 20x^3.

Flashcard 22: Calculate the second derivative of f(x)=4x42x2f(x) = 4x^4 - 2x^2.

Answer: f(x)=48x24f''(x) = 48x^2 - 4. Apply power rule twice: f(x)=16x34xf'(x) = 16x^3 - 4x, then f(x)=48x24f''(x) = 48x^2 - 4.

Flashcard 23: Find the second derivative of f(x)=13x3f(x) = \frac{1}{3}x^3.

Answer: f(x)=2xf''(x) = 2x. First derivative is x2x^2, second derivative is 2x2x.

Flashcard 24: State the second derivative of f(x)=13x3x2+1f(x) = \frac{1}{3}x^3 - x^2 + 1.

Answer: f(x)=2x2f''(x) = 2x - 2. First derivative is x22xx^2 - 2x, second derivative is 2x22x - 2.

Flashcard 25: What is the second derivative of f(x)=exf(x) = e^x?

Answer: f(x)=exf''(x) = e^x. The exponential function exe^x is its own derivative.

Flashcard 26: Identify the second derivative of f(x)=12x2x+1f(x) = \frac{1}{2}x^2 - x + 1.

Answer: f(x)=1f''(x) = 1. First derivative is x1x - 1, second derivative is constant 11.

Flashcard 27: What is the third derivative of f(x)=7x53x4+x3f(x) = 7x^5 - 3x^4 + x^3?

Answer: f(3)(x)=420x272x+6f^{(3)}(x) = 420x^2 - 72x + 6. Differentiate each term three times using power rule.

Flashcard 28: What is the second derivative of f(x)=exf(x) = e^x?

Answer: f(x)=exf''(x) = e^x. The exponential function exe^x is its own derivative.

Flashcard 29: What is the third derivative of f(x)=13x3+x2f(x) = \frac{1}{3}x^3+x^2?

Answer: f(3)(x)=2f^{(3)}(x) = 2. First derivative is x2+2xx^2 + 2x, second is 2x+22x + 2, third is 22.

Flashcard 30: Find the second derivative of f(x)=x5+x4+x3f(x) = x^5 + x^4 + x^3.

Answer: f(x)=20x3+12x2+6xf''(x) = 20x^3 + 12x^2 + 6x. Apply power rule twice to each term separately.

Flashcard 31: What is the second derivative of f(x)=12x2f(x) = \frac{1}{2}x^2?

Answer: f(x)=1f''(x) = 1. First derivative is xx, second derivative is constant 11.

Flashcard 32: What is the third derivative of f(x)=7x53x4+x3f(x) = 7x^5 - 3x^4 + x^3?

Answer: f(3)(x)=420x272x+6f^{(3)}(x) = 420x^2 - 72x + 6. Differentiate each term three times using power rule.

Flashcard 33: Calculate the second derivative of f(x)=3x3x2+xf(x) = 3x^3 - x^2 + x.

Answer: f(x)=18x2f''(x) = 18x - 2. First derivative is 9x22x+19x^2 - 2x + 1, second derivative is 18x218x - 2.

Flashcard 34: What is the second derivative of f(x)=x2+2x+1f(x) = x^2 + 2x + 1?

Answer: f(x)=2f''(x) = 2. First derivative is 2x+22x + 2, second derivative is constant 22.

Flashcard 35: Calculate the third derivative of f(x)=16x6f(x) = \frac{1}{6}x^6.

Answer: f(3)(x)=20x3f^{(3)}(x) = 20x^3. Apply power rule three times: f(x)=x5f'(x) = x^5, f(x)=5x4f''(x) = 5x^4, f(x)=20x3f'''(x) = 20x^3.

Flashcard 36: State the second derivative of f(x)=13x3x2+1f(x) = \frac{1}{3}x^3 - x^2 + 1.

Answer: f(x)=2x2f''(x) = 2x - 2. First derivative is x22xx^2 - 2x, second derivative is 2x22x - 2.

Flashcard 37: State the second derivative of f(x)=14x4x2f(x) = \frac{1}{4}x^4 - x^2.

Answer: f(x)=3x22f''(x) = 3x^2 - 2. Apply power rule twice: f(x)=x32xf'(x) = x^3 - 2x, then f(x)=3x22f''(x) = 3x^2 - 2.

Flashcard 38: Find the third derivative of f(x)=5x4+3x2f(x) = 5x^4 + 3x^2.

Answer: f(3)(x)=120xf^{(3)}(x) = 120x. Differentiate three times: f(x)=20x3+6xf'(x) = 20x^3 + 6x, f(x)=60x2+6f''(x) = 60x^2 + 6, f(x)=120xf'''(x) = 120x.

Flashcard 39: Find the second derivative of f(x)=x5+x4+x3f(x) = x^5 + x^4 + x^3.

Answer: f(x)=20x3+12x2+6xf''(x) = 20x^3 + 12x^2 + 6x. Apply power rule twice to each term separately.

Flashcard 40: Find the second derivative of f(x)=e3xf(x) = e^{3x}.

Answer: f(x)=9e3xf''(x) = 9e^{3x}. Use chain rule: f(x)=3e3xf'(x) = 3e^{3x}, then f(x)=9e3xf''(x) = 9e^{3x}.

Flashcard 41: What is the second derivative of f(x)=x24x+4f(x) = x^2 - 4x + 4?

Answer: f(x)=2f''(x) = 2. First derivative is 2x42x - 4, second derivative is constant 22.

Flashcard 42: Calculate the second derivative of f(x)=14x4+xf(x) = \frac{1}{4}x^4 + x.

Answer: f(x)=3x2f''(x) = 3x^2. First derivative is x3+1x^3 + 1, second derivative is 3x23x^2.

Flashcard 43: State the second derivative of f(x)=14x4x2f(x) = \frac{1}{4}x^4 - x^2.

Answer: f(x)=3x22f''(x) = 3x^2 - 2. Apply power rule twice: f(x)=x32xf'(x) = x^3 - 2x, then f(x)=3x22f''(x) = 3x^2 - 2.

Flashcard 44: What is the second derivative of f(x)=15x5f(x) = \frac{1}{5}x^5?

Answer: f(x)=4x3f''(x) = 4x^3. Apply power rule twice: f(x)=x4f'(x) = x^4, then f(x)=4x3f''(x) = 4x^3.

Flashcard 45: Calculate the second derivative of f(x)=3x33x2+3x1f(x) = 3x^3 - 3x^2 + 3x - 1.

Answer: f(x)=18x6f''(x) = 18x - 6. First derivative is 9x26x+39x^2 - 6x + 3, second derivative is 18x618x - 6.

Flashcard 46: What is the second derivative of f(x)=x3+3x2+3x+1f(x) = x^3 + 3x^2 + 3x + 1?

Answer: f(x)=6x+6f''(x) = 6x + 6. First derivative is 3x2+6x+33x^2 + 6x + 3, second derivative is 6x+66x + 6.

Flashcard 47: Find the second derivative of f(x)=e2xf(x) = e^{2x}.

Answer: f(x)=4e2xf''(x) = 4e^{2x}. Use chain rule: f(x)=2e2xf'(x) = 2e^{2x}, then f(x)=4e2xf''(x) = 4e^{2x}.

Flashcard 48: What is the second derivative of f(x)=12x2f(x) = \frac{1}{2}x^2?

Answer: f(x)=1f''(x) = 1. First derivative is xx, second derivative is constant 11.

Flashcard 49: Find the second derivative of f(x)=e3xf(x) = e^{3x}.

Answer: f(x)=9e3xf''(x) = 9e^{3x}. Use chain rule: f(x)=3e3xf'(x) = 3e^{3x}, then f(x)=9e3xf''(x) = 9e^{3x}.

Flashcard 50: Calculate the second derivative of f(x)=4x42x2f(x) = 4x^4 - 2x^2.

Answer: f(x)=48x24f''(x) = 48x^2 - 4. Apply power rule twice: f(x)=16x34xf'(x) = 16x^3 - 4x, then f(x)=48x24f''(x) = 48x^2 - 4.

Flashcard 51: Calculate the second derivative of f(x)=3x3x2+xf(x) = 3x^3 - x^2 + x.

Answer: f(x)=18x2f''(x) = 18x - 2. First derivative is 9x22x+19x^2 - 2x + 1, second derivative is 18x218x - 2.

Flashcard 52: What is the second derivative of f(x)=x3+3x2+3x+1f(x) = x^3 + 3x^2 + 3x + 1?

Answer: f(x)=6x+6f''(x) = 6x + 6. First derivative is 3x2+6x+33x^2 + 6x + 3, second derivative is 6x+66x + 6.

Flashcard 53: Identify the second derivative of f(x)=12x2x+1f(x) = \frac{1}{2}x^2 - x + 1.

Answer: f(x)=1f''(x) = 1. First derivative is x1x - 1, second derivative is constant 11.

Flashcard 54: What is the second derivative of f(x)=x42x2+1f(x) = x^4 - 2x^2 + 1?

Answer: f(x)=12x24f''(x) = 12x^2 - 4. First derivative is 4x34x4x^3 - 4x, second derivative is 12x2412x^2 - 4.

Flashcard 55: State the formula for the nn-th derivative of f(x)=xnf(x) = x^n.

Answer: f(n)(x)=n!f^{(n)}(x) = n! if nn is a positive integer. Each differentiation reduces the power by 1 and multiplies by the current power.

Flashcard 56: What is the second derivative of f(x)=15x513x3f(x) = \frac{1}{5}x^5 - \frac{1}{3}x^3?

Answer: f(x)=4x32xf''(x) = 4x^3 - 2x. Apply power rule twice to each term separately.

Flashcard 57: Calculate the second derivative of f(x)=13x3+2xf(x) = \frac{1}{3}x^3 + 2x.

Answer: f(x)=2xf''(x) = 2x. First derivative is x2+2x^2 + 2, second derivative is 2x2x.

Flashcard 58: Calculate the second derivative of f(x)=3x33x2+3x1f(x) = 3x^3 - 3x^2 + 3x - 1.

Answer: f(x)=18x6f''(x) = 18x - 6. First derivative is 9x26x+39x^2 - 6x + 3, second derivative is 18x618x - 6.

Flashcard 59: What is the second derivative of f(x)=x24x+4f(x) = x^2 - 4x + 4?

Answer: f(x)=2f''(x) = 2. First derivative is 2x42x - 4, second derivative is constant 22.

Flashcard 60: What is the second derivative of f(x)=15x513x3f(x) = \frac{1}{5}x^5 - \frac{1}{3}x^3?

Answer: f(x)=4x32xf''(x) = 4x^3 - 2x. Apply power rule twice to each term separately.

Flashcard 61: Calculate the second derivative of f(x)=1xf(x) = \frac{1}{x}.

Answer: f(x)=2x3f''(x) = \frac{2}{x^3}. Rewrite as x1x^{-1}, apply power rule: f(x)=x2f'(x) = -x^{-2}, f(x)=2x3f''(x) = 2x^{-3}.