SOLUTION: Can someone help me with this how do you do this problem For each problem, construct two composite functions, . Evaluate each composite function for x=2. f(x)=2x : g(x)=

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Question 799621: Can someone help me with this how do you do this problem

For each problem, construct two composite functions, . Evaluate each composite function for x=2.
f(x)=2x : g(x)=x^2
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Just form both composition functions, and evaluate each of them at x=2. A few simple algebra simplification steps.

f%28g%28x%29%29=2%28x%5E2%29=2x%5E2
Let x=2.
2%2A%282%29%5E2=8

g%28f%28x%29%29=%282x%29%5E2=4x%5E2
Let x=2.
4%2A%282%29%5E2=4%2A4=16