SAT® Subject Test in Math 1 & 2

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Moderate

Analyzing Graphs of Functions

SATSTM-FO5GYM

Given the functions:

$$y=\cfrac{1}{x}$$
$$y={x}^{2}$$
$$y={x}^{3}$$
$$y=\left|x\right|$$

Which of the following statements are true?

I. All of these functions are increasing over the interval $x>0$.

II. Two of these functions are even functions.

III. Three of the functions have a domain of all real numbers.

A

$\text{I only}$

B

$\text{II only }$

C

$\text{I and II only}$

D

$\text{I and III only}$

E

$\text{II and III only}$