SOLUTION: The function f is defined by f(x)=3x(squared)+4x find f(-x)

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Question 848534: The function f is defined by f(x)=3x(squared)+4x
find f(-x)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi
f(x)=3x^2 + 4x
f(-x) = 3%28-x%29%5E2+%2B+4%28-x%29+=+3x%5E2+-+4x