Question

Question 2 of 10

f(x)=3✅x+11. Find the inverse of f(x).
A. f-1(x) = x^3 +11
B. f-1() = x^3 - 11
c. f-1(x) = (x +11)^3
D. f-1(x) = (x– 11)^3
SUBMIT

Answer 1

C I think I just have the test

Answer 2

Option b

y = 3/x + 11
Switch x and y

x = 3/y + 11
Cube both sides

x^3 = y + 11
Subtract 11

y = x^3 - 11