Question

HELP PLEASE!

What is the value of f(−1) when f(x)=2x+2 ?


Enter your answer in the box.

f(−1)= ?

Answer 1

f (-1)= 2(-1)+2
f (-1)= -2+2
f (-1)= 0

Answer 2

$f(x)=2x+2 \\f(-1)=2\cdot(-1)+2 \\f(-1)=-2+2=0$