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OpenStudy (anonymous):
what is f(x)=-2x-7 and g(x)=-4x+3? find (f of g)(x). is it 8x+31, 8x-31, 8x-13 or 8x+13?
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OpenStudy (kaiz122):
just substitute the g(x) to the variable x on f(x) and you will get the answer
OpenStudy (anonymous):
so do -2(-4x+3)-7?
OpenStudy (phi):
yes, now simplify
OpenStudy (anonymous):
oh thanks! :)
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