Working with Function Notation

Practice Questions

SAT Math › Working with Function Notation

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1

If $f(x)=\sqrt{x^2-2x+1}$ , what is ?

2

The function is defined above. What is ?

3

If $f(x)=x^{2}+1$ and $g(x)=x^{2}-1$ , what is the value of ?

4

If $f(x)=x^{2}-9$ and , for which of the following values does ?

5

If $f(x)=\frac{x}{(1-x)}$ for all values of , for what value of does $f(x)=\frac{2}{3}$ ?

6

The function is defined by $f(x)=100-2^{x}$ . If , then which of the following is true about the value of ?

7

The function is defined for all real numbers as $f(x)=x^{2}-1$ . What is ?

8

The function is defined above. What is ?

9

The function is defined as . If , what is one possible value for ?

10

The function is defined for all values as , where is a constant. If , then what is the value of ?

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