AP Calculus AB Flashcards: Derivative Rules Of Constant Sum Difference

Study Derivative Rules Of Constant Sum Difference 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

Derivative Rules Of Constant Sum Difference

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QUESTION
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What is the derivative of cf(x)cf(x), where cc is a constant?

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ANSWER

(cf)=cf(cf)' = cf'. Constant multiple rule: factor out the constant.

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This deck focuses on Derivative Rules Of Constant Sum Difference, 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 derivative of cf(x)cf(x), where cc is a constant?

Answer: (cf)=cf(cf)' = cf'. Constant multiple rule: factor out the constant.

Flashcard 2: Given f(x)=x2+3xf(x) = x^2 + 3x, find f(x)f'(x).

Answer: 2x + 3. Apply power rule to each term separately.

Flashcard 3: State the derivative rule for the sum of two functions f(x)f(x) and g(x)g(x).

Answer: (f+g)=f+g(f + g)' = f' + g'. Derivative of sum equals sum of derivatives.

Flashcard 4: State the sum rule: What is rac{d}{dx}[f(x)+g(x)]?

Answer: f(x)+g(x)f'(x)+g'(x). Differentiate each term separately and add.

Flashcard 5: What is rac{d}{dx}[3f(x)-2g(x)]?

Answer: 3f(x)2g(x)3f'(x)-2g'(x). Apply constant multiple rule to each term.

Flashcard 6: What is rac{d}{dx}[5f(x)]?

Answer: 5f(x)5f'(x). Apply constant multiple rule: pull out 5.

Flashcard 7: Calculate the derivative of 7x34x7x^3 - 4x.

Answer: 21x^2 - 4. Use power rule: 73x24=21x247 \cdot 3x^2 - 4 = 21x^2 - 4.

Flashcard 8: What is rac{d}{dx}[-4f(x)+g(x)]?

Answer: 4f(x)+g(x)-4f'(x)+g'(x). Apply constant multiple rule to each term.

Flashcard 9: What is rac{d}{dx}[7-f(x)-g(x)]?

Answer: f(x)g(x)-f'(x)-g'(x). Constant 7 has derivative 0; negative signs carry through.

Flashcard 10: Calculate the derivative of 5x35x - 3.

Answer:

  1. Derivative of linear function is the coefficient of xx.

Flashcard 11: What is the derivative of a constant cc with respect to xx?

Answer:

  1. Constants have zero rate of change.

Flashcard 12: State the derivative rule for the sum of two functions f(x)f(x) and g(x)g(x).

Answer: (f+g)=f+g(f + g)' = f' + g'. Derivative of sum equals sum of derivatives.

Flashcard 13: What is rac{d}{dx}[-2g(x)]?

Answer: 2g(x)-2g'(x). Apply constant multiple rule: pull out -2.

Flashcard 14: State the derivative of the function 5-5.

Answer:

  1. Any constant has derivative zero.

Flashcard 15: What is the derivative of a constant multiplied by xx, 7x7x?

Answer:

  1. Constant multiple rule: derivative of cxcx is cc.

Flashcard 16: Given f(x)=x2+3xf(x) = x^2 + 3x, find f(x)f'(x).

Answer: 2x + 3. Apply power rule to each term separately.

Flashcard 17: What is rac{d}{dx}[ rac{1}{2}f(x)+ rac{3}{2}g(x)]?

Answer: rac{1}{2}f'(x)+ rac{3}{2}g'(x). Fractional constants follow the same rule.

Flashcard 18: State the constant rule: What is rac{d}{dx}[c] for a constant cc?

Answer: 00. The derivative of any constant is zero.

Flashcard 19: What is rac{d}{dx}[7]?

Answer: 00. 7 is a constant, so its derivative is 0.

Flashcard 20: What is rac{d}{dx}[12-g(x)]?

Answer: g(x)-g'(x). Derivative of 12 is 0; g(x)-g(x) gives g(x)-g'(x).

Flashcard 21: Find the derivative of 8x28x - 2.

Answer:

  1. Derivative of linear term is its coefficient.

Flashcard 22: What is rac{d}{dx}[-3]?

Answer: 00. -3 is a constant, so its derivative is 0.

Flashcard 23: Calculate the derivative of 5x35x - 3.

Answer: 55. Derivative of linear function is the coefficient of xx.

Flashcard 24: State the difference rule: What is rac{d}{dx}[f(x)-g(x)]?

Answer: f(x)g(x)f'(x)-g'(x). Differentiate each term separately and subtract.

Flashcard 25: What is rac{d}{dx}[f(x)+9]?

Answer: f(x)f'(x). Derivative of constant 9 is 0, leaving f(x)f'(x).

Flashcard 26: State the derivative rule for the difference of two functions f(x)f(x) and g(x)g(x).

Answer: (fg)=fg(f - g)' = f' - g'. Derivative of difference equals difference of derivatives.

Flashcard 27: Calculate the derivative of 12x12x.

Answer:

  1. Derivative of linear term 12x12x is the coefficient.

Flashcard 28: State the derivative of xnx^n where nn is a constant.

Answer: nxn1nx^{n-1}. Power rule: bring down exponent, reduce by 1.

Flashcard 29: What is the derivative of a constant cc with respect to xx?

Answer:

  1. Constants have zero rate of change.

Flashcard 30: What is rac{d}{dx}[2f(x)+3g(x)-5]?

Answer: 2f(x)+3g(x)2f'(x)+3g'(x). Constant -5 has derivative 0; apply rules to rest.

Flashcard 31: State the derivative of xnx^n where nn is a constant.

Answer: nxn1nx^{n-1}. Power rule: bring down exponent, reduce by 1.

Flashcard 32: What is rac{d}{dx}[f(x)-g(x)+h(x)]?

Answer: f(x)g(x)+h(x)f'(x)-g'(x)+h'(x). Apply sum/difference rules term by term.

Flashcard 33: Find the derivative of 8x28x - 2.

Answer:

  1. Derivative of linear term is its coefficient.

Flashcard 34: What is rac{d}{dx}[f(x)+g(x)+h(x)]?

Answer: f(x)+g(x)+h(x)f'(x)+g'(x)+h'(x). Sum rule extends to any number of functions.

Flashcard 35: Calculate the derivative of 12x12x.

Answer:

  1. Derivative of linear term 12x12x is the coefficient.

Flashcard 36: State the derivative of the function 5-5.

Answer:

  1. Any constant has derivative zero.

Flashcard 37: What is the derivative of cf(x)cf(x), where cc is a constant?

Answer: (cf)=cf(cf)' = cf'. Constant multiple rule: factor out the constant.

Flashcard 38: Find and correct the derivative: rac{d}{dx}[f(x)+g(x)]=f'(x)g'(x).

Answer: Correct: rac{d}{dx}[f(x)+g(x)]=f'(x)+g'(x). Sum rule gives addition, not multiplication of derivatives.

Flashcard 39: State the derivative rule for the difference of two functions f(x)f(x) and g(x)g(x).

Answer: (fg)=fg(f - g)' = f' - g'. Derivative of difference equals difference of derivatives.

Flashcard 40: What is rac{d}{dx}[- rac{5}{3}f(x)- rac{1}{3}]?

Answer: - rac{5}{3}f'(x). Constant - rac{1}{3} has derivative 0.

Flashcard 41: Calculate the derivative of 7x34x7x^3 - 4x.

Answer: 21x^2 - 4. Use power rule: 73x24=21x247 \cdot 3x^2 - 4 = 21x^2 - 4.

Flashcard 42: State the constant multiple rule: What is rac{d}{dx}[c ext{ }f(x)] for constant cc?

Answer: cextf(x)c ext{ }f'(x). Pull out the constant and multiply by the derivative.

Flashcard 43: Find and correct the derivative: rac{d}{dx}[3f(x)]=3f(x).

Answer: Correct: rac{d}{dx}[3f(x)]=3f'(x). Must differentiate f(x)f(x), not just copy it.

Flashcard 44: What is the derivative of a constant multiplied by xx, 7x7x?

Answer:

  1. Constant multiple rule: derivative of cxcx is cc.