# How do you find the range of y = x + 3 for the domain { -1,1,3,5 }?

Mar 5, 2018

$\text{range is } \left\{2 , 4 , 6 , 8\right\}$

#### Explanation:

$\text{to find the range of y substitute the values from the}$
$\text{domain into y}$

$x = - 1 \Rightarrow y = - 1 + 3 = 2$

$x = 1 \Rightarrow y = 1 + 3 = 4$

$x = 3 \Rightarrow y = 3 + 3 = 6$

$x = 5 \Rightarrow y = 5 + 3 = 8$

$\Rightarrow \text{range is } \left\{2 , 4 , 6 , 8\right\}$