Mathematics, 15.01.2021 19:10, dpaul4287

Hector and Linh are working individually on a problem involving the function f(x) = x^2 -5.
On a domain where f is invertible, Hector says that f^-1(4) = 3, and Linh says that
f^-1(4) = -3
Is Hector correct? Is Linh correct? Justify your answer.

Answers: 3

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Hector and Linh are working individually on a problem involving the function f(x) = x^2 -5. On a domain where f is invertible, Hector says that f^-1(4) = 3, and Linh says that f^-1(4) = -3 Is Hector correct? Is Linh correct? Justify your answer.

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Hector and Linh are working individually on a problem involving the function f(x) = x^2 -5.
On a domain where f is invertible, Hector says that f^-1(4) = 3, and Linh says that
f^-1(4) = -3
Is Hector correct? Is Linh correct? Justify your answer.