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Use the function f and the given real number a to find (f^-1)'(a)

f(x)=(x+9)/(x+3), x>-3, a=2

f(^-1)'(a)= ?

Can someone please show me how to solve this problem?
8 years ago

Answers

Damon
oh, you want the derivative of the inverse function

x = (y+9)/(y+3)

dx = [(y+3)dy - (y+9)dy]/(y+3)^2

dx = -6 dy/(y+3)^2

dy/dx = (y+3)^2/-6
8 years ago

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