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OpenStudy (anonymous):
If f(x) = x + 3, find the value of x if f(x) = 9.
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OpenStudy (anonymous):
Set f(x) equal to 9. 9 = x + 3 Can you solve for x?
OpenStudy (anonymous):
Plug in 9 where the x is. 9+3 =12
OpenStudy (anonymous):
f(x)=x+3 since f(x)=9 so, 9=x+3 x=9-3 x=6
OpenStudy (anonymous):
@IStutts You are incrorect. It says FIND x if f(x) = 9. Not find f(9).
OpenStudy (anonymous):
so its 12
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OpenStudy (anonymous):
No. I just said that @IStutts was incorrect.
OpenStudy (anonymous):
so 6
OpenStudy (anonymous):
yup you got the right answer
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