Correct on both questions, what did you get for the third?
Functions f and g are defined as followsand ,
(i) Find the expression for the inverse function f^-1
(ii) Find the expression for the composite function
(iii) Solve the equation f^-1
I got:
(i)
?
(ii)
And I got
Am i correct? If not, please help.
I'm happy to give you a kick start.
The rest is yours to finish
here's a hint: The Quadratic Formula Explained