Question

4. If f(x) = 9x + 1, find f-1 (f (3)).

Answer 1

Answer:

-224

Step-by-step explanation:

let x be -1 and 3

when x= -1

f(-1)=9(-1)+1

= -8

when x= 3

f(3)=9(3)+1

= 28

therefore, f-1 (f (3)) = (-8)(28)

= -224