# Math (College Pre-Cal)

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

• Math (College Pre-Cal) -

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

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