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OpenStudy (anonymous):
find f(2a) when function is f(n)=5n^2+4n please and thanks :D
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jhonyy9 (jhonyy9):
f(2a)=5(2a)2 +4(2a)=20a2 +8a
jhonyy9 (jhonyy9):
there is 20a on exponent 2
OpenStudy (anonymous):
thanks jhonny9 :D
jhonyy9 (jhonyy9):
my pleasure
jhonyy9 (jhonyy9):
this is understandably ?
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