### All AP Calculus BC Resources

## Example Questions

### Example Question #191 : Derivative Review

Give .

**Possible Answers:**

**Correct answer:**

, and the derivative of a constant is 0, so

### Example Question #2 : Computation Of Derivatives

Give .

**Possible Answers:**

**Correct answer:**

First, find the derivative of .

, and the derivative of a constant is 0, so

Now, differentiate to get .

### Example Question #3 : Computation Of Derivatives

Differentiate .

**Possible Answers:**

**Correct answer:**

, so

### Example Question #4 : Computation Of Derivatives

Give the second derivative of .

**Possible Answers:**

**Correct answer:**

Find the derivative of , then find the derivative of that expression.

, so

### Example Question #1 : Computation Of Derivatives

Give .

**Possible Answers:**

**Correct answer:**

, and the derivative of a constant is 0, so

### Example Question #21 : Derivatives

Give .

**Possible Answers:**

**Correct answer:**

First, find the derivative of .

Recall that , and the derivative of a constant is 0.

Now, differentiate to get .

### Example Question #1 : Other Derivative Review

Find the derivative of the function

**Possible Answers:**

None of the other answers.

**Correct answer:**

We can use the (first part of) the Fundemental Theorem of Calculus to "cancel out" the integral.

. Start

. Take the derivative of both sides with respect to .

To "cancel out" the integral and the derivative sign, verify that the lower bound on the integral is a constant (It's in this case), and that the upper limit of the integral is a function of , (it's in this case).

Afterward, plug in for , and ultilize the Chain Rule to complete using the Fundemental Theorem of Calculus.

.

### Example Question #8 : Computation Of Derivatives

Find the derivative of:

**Possible Answers:**

**Correct answer:**

The derivative of inverse cosine is:

The derivative of cosine is:

Combine the two terms into one term.

### Example Question #9 : Computation Of Derivatives

Find the derivative of the function

**Possible Answers:**

None of the other answers

Does not exist

**Correct answer:**

To find the derivative of this function, we need to use the Fundemental Theorem of Calculus Part 1 (As opposed to the 2nd part, which is what's usually used to evaluate definite integrals)

. Start

. Take derivatives of both sides.

. "Cancel" the integral and the derivative. (Make sure that the upper bound on the integral is a function of , and that the lower bound is a constant before you cancel, otherwise you may need to use some manipulation of the bounds to make it so.)

### Example Question #10 : Computation Of Derivatives

What is the rate of change of the function at the point ?

**Possible Answers:**

**Correct answer:**

The rate of change of a function at a point is the value of the derivative at that point. First, take the derivative of f(x) using the power rule for each term.

Remember that the power rule is

, and that the derivative of a constant is zero.

Next, notice that the x-value of the point (1,6) is 1, so substitute 1 for x in the derivative.

Therefore, the rate of change of f(x) at the point (1,6) is 14.

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