Question

1) Let f(x)=x^3+9, g(x)=x^2-10,h(x)=4x+2. Find the rule of the function f-g
2)Let f(x)=x^3+4,g(x)=x^2-8, and h(x)=2x+2 Find the rule for the function gf
3) Find the rules for the composite functions f*g and g*f. f(x)=9x^2+8x+6; g(x)=x+9