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OpenStudy (anonymous):
f(x)=3x+2 to evaluate f(x)-f(5).... so f(x)-f(5)= ?
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OpenStudy (anonymous):
\[f(5)=3\times 5-2=13\]
OpenStudy (anonymous):
so i guess \[f(x)-f(5)=3x+2-13=3x-11\]
OpenStudy (anonymous):
where is the -2 from? is it supposed to be +2?
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