5) If f(x)=x2-x, what is f(-5)?
A. -30
B. -20
C. 20
D. 30
1 answer:
You simply plug it in.
f(x) = x^2 - x
f(-5) = -5^2 - (-5)
f(-5) = -25 - (-5)
f(-5) = -20
hope this was helpful for you.
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