12. (01.02) Which function below is the inverse of f(x) = x² - 9?

Tyil asked Aug 10, 2023

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44 votes

12. (01.02)
Which function below is the inverse of f(x) = x² - 9?

Tyil asked Aug 10, 2023

by Tyil

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13 votes

FOR EQUATION INVERSES IT MEANS ... x and y swap positions.

$x = (f(x))^(2) - 9 \\ (f(x))^(2) = x + 9 \\ \sqrt{(f(x))^(2) } = √(x + 9) \\ f(x) = √(x + 9)$

ATTACHED IS THE SOLUTION.

Ajeet Malviya answered Aug 17, 2023

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