SOLUTION: use f(x)=3x-1 and g(x)=1-x^2 to solve f(g(x))

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Question 710216: use f(x)=3x-1 and g(x)=1-x^2 to solve f(g(x))
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
to find f%28g%28x%29%29, all you need is put g%28x%29 in the place of x
First let's rewrite f%28x%29:
f%28x%29=3x-1
Now let's plug in g%28x%29=1-x%5E2 for x:
f%28g%28x%29%29=3%281-x%5E2%29-1
f%28g%28x%29%29=3-3x%5E2-1

f%28g%28x%29%29=-3x%5E2%2B2