Question

Question 6 (Multiple Choice Worth 1 points)



Let f(x) = 2x + 2. Solve f-1(x) when x = 4.

1

3

4

10

Answer 1

f(x)=2x+2
y=2x+2
f^-1(x) is the inverse
x=2y+2
y=(4-2)/2
y=1
f^-1(x)=1

Answer 2

thank you @damoss