Which equation is the inverse of y=100-x2

Inverse of y = = .

Step-by-step explanation:

Given  : f(x) = y = 100 - x²

To find : Find inverse.

Solution : We have given that :

f(x) = y = 100 - x²

Step1) : Replace every x with a y and replace every y with an x .

x = 100 - y².

Step 2): Solve for y

On subtracting 100 from both sides

x - 100 = -y²

On multiplying both side by -1

100 -x = y²

Taking square root both sides and switching sides

y = ± .

Step3 ) : Replace y with .

= ± .

Therefore, inverse of y = = ± .

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step-by-step explanation: