Question

The function fis defined by f(x) = 2x+2.
Find f(y+1).

Answer 1

If I did this right, f(y+1)=0

Answer 2

Answer: f(y+1) = 2y+4

Step-by-step explanation:

Everywhere you see an x, replace it with y+1

f(x) = 2x+2

f(y+1) = 2(y+1)+2

f(y+1) = 2y+2+2

f(y+1) = 2y+4