# Given #f(x)=-4x+2#, how do you find f(x) when x=-1?

##### 2 Answers

It is

#### Explanation:

Just plug

Mar 5, 2018

#### Explanation:

#"substitute "x=-1" into "f(x)#

#rArrf(color(red)(-1))=(-4xxcolor(red)(-1))+2#

#color(white)(rArrf(-1))=4+2=6#