Find a formula for(f o g)(x)assuming that f(x)= e^(4-7x)and g(x)= ln(x).

Question

Give your answer in the simplest form.

Answer 1

since f(x) = e^(4-7x)
f(g) = e^(4-7g)
= e^(4-7lnx)
= e^4 / e^(7lnx)
= e^4/x^7