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OpenStudy (anonymous):
If f(n) = n^2 - n then f(-4) is -20 20 12 -12
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myininaya (myininaya):
Let's try to show the asker how to solve/evaluate problems like this, not just give the answer please.
OpenStudy (anonymous):
f(n) = n^2 - n (4) = (-4)^2 + 4 = 20
OpenStudy (anonymous):
The mods on here make it so uncomfortable to be free to do something. =\
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