SOLUTION: the function f(x) = 8x+9/x-2 is one to one.
find an equation for f^-1(x), the inverse function
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Question 874992: the function f(x) = 8x+9/x-2 is one to one.
find an equation for f^-1(x), the inverse function
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
y = 8x+9 / (x-2)
solve for x
yx -2y = 8x + 9
yx -8x = 2y + 9
x = (2y+9) / (y-8)
interchange x's and y's
y = (2x+9) / (x-8)
f inverse (x) = (2x+9) / (x-8)
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