SOLUTION: evaluate given function for f(3) and f(-2) f(x)=x^2+4x-1

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Question 285170: evaluate given function for f(3) and f(-2) f(x)=x^2+4x-1
Answer by eggsarecool(46) About Me  (Show Source):
You can put this solution on YOUR website!
f%283%29 means plug in 3 for x so we get f%283%29=%283%29%5E2%2B4%2A%283%29-1=9%2B12-1=20
So f%28-2%29=%28-2%29%5E2%2B4%2A%28-2%29-1=4-8-1=-5