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OpenStudy (anonymous):
If f(x) = 4x - 3, what is f(x)^-1? A.x/4+3 B.(x+3)/4 C.4/(x+3) D.3-4x
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OpenStudy (anonymous):
do you mean what is f(-1)?
OpenStudy (anonymous):
it f(x)^-1
OpenStudy (anonymous):
oh the inverse change it to: x = 4y-3 solve for y
OpenStudy (anonymous):
the answer is one of your choices
OpenStudy (anonymous):
you basically swap the x and y and solve for y which is the output of f(x)
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OpenStudy (anonymous):
B?
OpenStudy (anonymous):
:)
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