Question
If f:x→4x+5,find the composite function f^2.Hence,find
f^2(1over2)and f^2(-2) ?
The value of x gor which f^2(x)=9
f^2(1over2)and f^2(-2) ?
The value of x gor which f^2(x)=9
Answers
Steve
f^2 = 4f+5 = 4(4x+5)+5 = 16x+25