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If f( n ) = n 2 - n , then f(-4) is _____. -20 20 12 -12
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If f( n ) = n 2 - n , then f(-4) is _____.

-20
20
12
-12

User Maxeng
by
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3 votes

Answer:

-12 because if(n)=n2-n then f(4) is-12 because -4(2)-4 is -12

User Sbolla
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