Algebra of Functions

Practice Questions

Pre-Calculus › Algebra of Functions

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1

Find if and .

2

and . Find $(f\circ g)(x)$ .

3

Find given

and

4

Find if and .

5

Find given

and

6

and . Find $(f\circ g)(x)$ .

7

Given $f(x)=\sqrt{x-2}$ and $g(x)=x^2-2\sqrt{x}$ , find $(g\circ f)(x)$ .

8

Simplify the following expression:

$\frac{9x^2+18x+9}{3x+3}+(x-1)$ .

9

If and , what does $\frac{f(x)}{g(x)}$ equal?

10

Simplify the following expression:

$\frac{9x^2+18x+9}{3x+3}+(x-1)$ .

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