f(x) = 2x2 - x
The notation f(-6) means f(x=-6). So just set x = -6:
f(-6) = 2(-6)2 - (-6) = 2(36) + 6 = 72 + 6 = 78
Abenzer T.
asked • 04/05/17If f(x)=2x squared - x, what is f(-6)?
I don't understand this problem and I need help with it.
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