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OpenStudy (anonymous):
If f(x) = 12x + 7, what is f-1(x) ?
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OpenStudy (lgbasallote):
do you mean \[f^{-1} (x)\]
OpenStudy (anonymous):
yes sorry
OpenStudy (lgbasallote):
i can rewrite f(x) = 12x + 7 as y = 12x + 7 agree?
OpenStudy (anonymous):
yes
OpenStudy (lgbasallote):
to find \[f^{-1} (x)\] just interchange y and x x = 12y + 7 now solve for y
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OpenStudy (anonymous):
y=x-7/12
OpenStudy (lgbasallote):
corrrect
OpenStudy (anonymous):
ty sir!
OpenStudy (lgbasallote):
you're welcome :D
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