maxmccarthy1123 maxmccarthy1123

18-06-2019
Mathematics

contestada

Which function below is the inverse of f(x)=x^2-36

X^2/36
+- 6 square root of x
1/x^2-36
+- square root of x+36

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

27-06-2019

Answer:

+- square root of x+36

Step-by-step explanation:

f(x) = x^2 -36

y = x^2 -36

Exchange x and y

x = y^2 -36

Solve for y

Add 36 to each side

x+36 = y^2 -36+36

x+36 = y^2

Take the square root of each side

±sqrt(x+36) = y

±sqrt(x+36) = f^-1(x)

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