### All High School Math Resources

## Example Questions

### Example Question #21 : Calculus I — Derivatives

Find if the function is given by

**Possible Answers:**

**Correct answer:**

Explanation:

To find the derivative at , we first take the derivative of . By the derivative rule for logarithms,

Plugging in , we get

### Example Question #22 : Calculus I — Derivatives

Find the derivative of the following function at the point .

**Possible Answers:**

**Correct answer:**

Explanation:

Use the power rule on each term of the polynomial to get the derivative,

Now we plug in

### Example Question #23 : Calculus I — Derivatives

Let . What is ?

**Possible Answers:**

**Correct answer:**

Explanation:

We need to find the first derivative of f(x). This will require us to apply both the Product and Chain Rules. When we apply the Product Rule, we obtain:

In order to find the derivative of , we will need to employ the Chain Rule.

We can factor out a 2x to make this a little nicer to look at.

Now we must evaluate the derivative when x = .

The answer is .

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### All High School Math Resources

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