Question

If f(x) = x + 5, then f(x - 5) =

a. 0

b. x

c. x-25

d. 2x-25

e. -5x

Answer 1

Answer:f(x-5)=x

Step-by-step explanation:To evaluate f(x-5) we need to subtitute x - 5 for x in the expression for f(x):

f(x-5) = (x-5) + 5

The +5 and -5 cancel out, so we are left with f(x-5)=x