Asked by HELP

Find the inverse of the function:
f(x)=-x²+16, x≥0

f(x)=5/x-3
Answered by Damon
x = -y^2 + 16

-y^2 = x-16

y^2 = -x + 16

y = sqrt (-x+16), x </= 16

do you mean
(5/x)-3
or
5/(x-3) ???
Answered by HELP
5/(x-3)
Answered by Damon
y = 5/(x-3)

x = 5/(y-3)
y x - 3 x = 5

y x = 3 x + 5

y = 3 + (5/x )
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