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OpenStudy (anonymous):
if f(x)=3x+9, what is f^-1(x)
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OpenStudy (anonymous):
Do you know how to find the inverse of an equation?
OpenStudy (anonymous):
@jim_thompson5910
OpenStudy (anonymous):
y=3x+9 swap places for x and y, then solve for y x=3y+9 y=(x-9)/3
OpenStudy (anonymous):
f^-1(x)=(1/3)x-3
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
yep
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