## Educators

### Problem 1

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=5 x \text { at } x=3$$

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### Problem 2

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=4 x \text { at } x=-8$$

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### Problem 3

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=5 x^{2} \text { at } x=-1$$

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### Problem 4

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=8 x^{2}$$

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### Problem 5

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=-10 x^{2}$$

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### Problem 6

Now find the derivative of the following expressions. The answers are in Chapter 19.
$$f(x)=20 x^{2} \text { at } x=a$$

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### Problem 7

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=2 x^{3} \text { at } x=-3$$

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### Problem 8

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=-3 x^{3}$$

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### Problem 9

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=x^{5}$$

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### Problem 10

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=2 \sqrt{x} \text { at } x=9$$

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### Problem 11

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=5 \sqrt{2 x} \text { at } x=8$$

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### Problem 12

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=\sin x \text { at } x=\frac{\pi}{3}$$

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### Problem 13

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=x^{2}+x$$

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### Problem 14

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=x^{3}+3 x+2$$

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### Problem 15

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=\frac{1}{x}$$

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### Problem 16

Now find the derivative of the following expressions. The answers are in Chapter $19 .$
$$f(x)=a x^{2}+b x+c$$

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