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Mathematics 8 Online
OpenStudy (anonymous):

If f(x) = 2x − 4 and g(x) = x2 − 4x, find f(4)

OpenStudy (ivettef365):

just substitute on function f(x) the x for 4 so you have 2(4) - 4 = ???

OpenStudy (hba):

just plug in 4 in place of x in f(x)=2x-4

OpenStudy (anonymous):

ok

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