Question

Write the function f(x) = Square root ( 4x^2 +25) as a composition of two simpler functions a(x) and b(x) such that F(x)= a(b(x))

Answer 1

\[\sqrt{4x^2 +25}\] is f(x)

Answer 2

a(x)=sqrt(x)
b(x)=4x^2+25