# Question #14e6b

Apr 25, 2017

Stated below.

#### Explanation:

Domain of all the three functions is $\mathbb{R}$ or $\left(- \infty , \infty\right)$

Range of $y = {x}^{2}$ is $\left[0 , \infty\right)$

Range of $y = - 2 {x}^{2}$ is $\left[0 , - \infty\right)$

Range of $y = {x}^{2} + 3$ is $\left[3 , \infty\right)$