# How do you evaluate a function #f(x)=x+7# for a specific value, f(-3)?

##### 2 Answers

Nov 20, 2016

#### Explanation:

Substitute

Nov 20, 2016

#### Explanation:

To evaluate f(-3), substitute x = - 3 into f(x)

#rArrf(color(red)(-3))=(color(red)(-3))+7=4#