Question

if f(x+2) = 5x-7 find f(x) and f(3)​

Answer 1

Step-by-step explanation:

Given function f(x+2)=5x-7

f(x) = 5(x-2)-7

f(x)= 5x-10-7

f(x) = 5x-17

f(3)= 5(3)-17

f(3)=15-17

f(3)= -2