SOLUTION: Given: f(x) = x² and g(x) = 2x + 1, find f[g(x)].

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Question 1094739: Given: f(x) = x² and g(x) = 2x + 1, find f[g(x)].
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.
Simply substitute the expression for g(x) = 2x+1 into f(x), replacing x in f(x) by this expression:

f(g(x)) = f(2x+1) = %282x%2B1%29%5E2.

That's all.

If you wish, you may transform this resulting expression %282x%2B1%29%5E2 in any way you want.