SOLUTION: how do slove f(g(-2)) if f(x)=2x-5 and g(x)=3x^2

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Question 250797: how do slove f(g(-2)) if f(x)=2x-5 and g(x)=3x^2
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
f(g(-2)) if f(x)=2x-5 and g(x)=3x^2.
step 1 - find g(-2).
g(-2) = 3(-2)^2 = 3*4 = 12
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step 2 - put the value for g(-2) into the f(x)
f(12) = 2(12) - 5 = 19.
So,
f(g(-2)) = 19.