SOLUTION: find f(-3) when f(x)=x squared+3x-4

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Question 454019: find f(-3) when f(x)=x squared+3x-4
Found 2 solutions by solver91311, MathLover1:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Just substitute -3 for x in the function and do the arithmetic.


John

My calculator said it, I believe it, that settles it
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Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

find f(-3) when f%28x%29=x%5E2%2B3x-4
f%28-3%29=%28-3%29%5E2%2B3%28-3%29-4
f%28-3%29=9-9-4
f%28-3%29=cross%289%29-cross%289%29-4
f%28-3%29=-4