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OpenStudy (anonymous):
Given that f(x) = x² + 4x, evaluate f(-2). a. -4 b. -8 c. -12
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OpenStudy (phi):
f(-2) means replace x with -2 in the expression, then do the arithmetic. can you do that?
OpenStudy (anonymous):
Is it -4?
OpenStudy (phi):
how did you get it?
OpenStudy (anonymous):
I just want to know if I have the correct answer.
OpenStudy (phi):
I just want to know how you got it
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