Question

Type the correct answer in the box. Find f(g(x)) for the functions f(x)=5 √x+1 -2 and g(x)= x^2 -1 . f(g(x)) = _____ are these functions inverses? _

Answer 1

g(x)=x^2-1

f(g(X))=5 sqrt(x^2-1+1)-2

5 sqrt(x^2)-2

:sqrt cancel the square

5x-2