What is the square root of 1 and 9/16

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.