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Mathematics 11 Online
OpenStudy (anonymous):

If f(x) = x + 3, find the value of x if f(x) = 9.

OpenStudy (anonymous):

x is 6

OpenStudy (anonymous):

plug in 9 for f(x) 9=x+3 subtract 3 from both sides 6=x

OpenStudy (anonymous):

If f(x) = 2x + 2, find f(5).

OpenStudy (anonymous):

ooo thanks

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