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

2 Answers
Mar 5, 2018

It is 6.

Explanation:

Just plug -1 in for x in the equation and it gives you the answer

f(-1)=-4xx(-1)+2=4+2=6

Mar 5, 2018

f(-1)=6

Explanation:

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

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

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