You should know that <span>(g o f)(x) is the same as g(f(x)), or g of f(x). To solve for g(f(x)), substitute whatever f(x) equals as x into g(x).
So, if you have the two functions
g(x) = x^2
f(x) = 2x + 4,
you substitute what f(x) equals as x into the g(x) equation.
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So, if you have the two functions
g(x) = x^2
f(x) = 2x + 4,
you substitute what f(x) equals as x into the g(x) equation.
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