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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)]

1 answer

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
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