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OpenStudy (anonymous):
f(x)=-x^2+5x+7 Find f(3a-4)
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OpenStudy (anonymous):
so wat am pose to be doing?
OpenStudy (anonymous):
substitute 3a-4 to all the x in the equation
OpenStudy (anonymous):
yes I know, but I'm not sure how to do that like can you show me the steps
hero (hero):
f(x)=-x^2+5x+7 f(3a-4) = -(3a-4)^2 + 5(3a -4) + 7 Simplify the expression
OpenStudy (anonymous):
|dw:1354855276611:dw| For the first term
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