# Math

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Let f(x) = x - 5 and g(x) = 1/2x^3.

Find g^-1(108).
Write an expression for (f•g)(x).
Solve equation (f•g)(x)= 27.

• Math -

(f•g)(x) = f(g) = g-5 = 1/2x^3 - 5

can't tell whether g = 1/2 x^3 or 1/(2x^3)

It makes a bug difference.

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