SOLUTION: find the inverse of the function f(x)= 4 sqrt(-5x+2)+3

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Question 803876: find the inverse of the function
f(x)= 4 sqrt(-5x+2)+3
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the inverse of the function
f(x)= 4 sqrt(-5x+2)+3
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1st: Interchange x and y:::
x = 4*sqrt(-5y+2)+3
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2nd: Solve for "y":
4*sqrt(-5y+2) = x-3
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sqrt(-5y+2) = (x-3)/4
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-5y+2 = (x^2-6x+9)/16
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-5y = (x^2-6x+9)/16 - 2
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y = -(x^2-6x+9)/80 - (2/5)
etc.
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Cheers,
Stan H.
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