Question

F(x)=3x+3, then f^-1(x)=

Answer 1

f^ - 1 (x) = x/3 + 1/3​ is not the inverse function of f(x) = 3x + 1

Explanation:

F(x) = 3x + 1

Inverse:

x = 3y + 1

3y = x - 1

y = x/3 - 1/3 or f^ - 1 (x) = x/3 - 1/3​

so

f^ - 1 (x) = x/3 + 1/3​ is not the inverse function of f(x) = 3x + 1