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Mathematics 12 Online
OpenStudy (anonymous):

f(x)=-x^2+5x+7 Find f(3a-4)

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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