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OpenStudy (anonymous):
If f(n) = n2 - n, then f(-4) is _____. -20 20 12 -12
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OpenStudy (anonymous):
\[f(n) = n^{2} -n \Rightarrrow f(-4) = (-4)^{2} -(-4) = 16+4 = 20\]
OpenStudy (anonymous):
er....ignore that right arrrow thing....too many rrrs lol
OpenStudy (anonymous):
lol
OpenStudy (anonymous):
rightarrow needs lower case then it will work
OpenStudy (anonymous):
thanks
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