How to find f(x)

Practice Questions

Algebra 1 › How to find f(x)

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1

If , solve for if $f(\frac{1}{7})$ .

2

3

Given a function $f(x)=x^{3}-9x+3$ , what is ?

4

$\small f(x)=2x+17$ .

Find $\small f(-3)$ .

5

If , then solve

6

If , then solve

7

Each of the following 4 sets defines a relationship between and . Which of these four sets defines a one-to-one function:

A = $\left { \left ( 1,2 \right )\left ( 2,3 \right )\left ( 3,4 \right )\left ( 4,5 \right ) \right }$

B= $\left { \left ( 1,3 \right )\left ( 2,3 \right )\left ( 3,5 \right )\left ( 4,5 \right ) \right }$

C = $\left { \left ( 1,2 \right )\left ( 2,3 \right )\left ( 2,4 \right )\left ( 2,5 \right )\left ( 6,7\right )\left\right }$

D = $\left { \left ( 1,7 \right )\left ( 2,7 \right )\left ( 3,7 \right )\left ( 4,7 \right ) \right }$

8

A function is given by $f(x)=3x^{2}+3x-4$ . Find .

9

If , solve

10

Given a function $f(x)=\frac{1}{2}x^{3}$ , what is ?

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