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

asked Jul 2, 2017 174k views

3 votes

by SNaRe

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4 votes

First plug in F(-1) into F(x)+2x+2
F(-1)=2(-1)+2

Solve

F(-1)= -1 + 2
F(-1)= 1

So when the function is -1, x equals 1

Max Worg answered Jul 3, 2017

7.2k points

4 votes

Plug (-1) into the x then you'll get 2(-1)+2 then you'll get 0 because -1 times 2 is -2 and -2 plus 2 equals 0

Ecabuk answered Jul 8, 2017

7.7k points

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