SOLUTION: Please help me with this question. f(x)=3x²+3x-3 and find for f(3x)

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Question 1015881: Please help me with this question.
f(x)=3x²+3x-3
and find for f(3x)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=3x²+3x-3
and find for f(3x)
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f(x)=3x^2 + 3x - 3
and find for f(3x)
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It's substitution.
Wherever there's an x, sub 3x
f(3x)=3*(3x)^2 + 3*(3x) - 3
= 27x^2 + 9x - 3