Question

Find the following composition (f o g)(2) =

Answer 1

`\sf\\f(x)=x^2-4x+4\\g(x)=-4x\\Now,\\fog(x)=f\{g(x)\}=f(-4x)=(-4x)^2-4(-4x)+4=16x^2+16x+4\\\textsf{Put x = 2,}\\fog(2)=16(2)^2+16(2)+4=100`