Let f(x)=3x-7, and g(x)=5x^2, h(x)=1/x
a.) Find f[g(x)-9]
b.) Find g[hf(x)]
a) 3[5x^2-9) -7 = ?
b) Do it in two steps.
h[f(x)] = 1/(3x-7)
g{h[f(x)]} = 5/(3x-7)^2
a.) Find f[g(x)-9]
b.) Find g[hf(x)]
b) Do it in two steps.
h[f(x)] = 1/(3x-7)
g{h[f(x)]} = 5/(3x-7)^2