Let f - Q - Q be a function given by f x - x 2-then f -19-A- 3B- -3-3C- fD- -3

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Derivative of One Function w.r.t Another

Let f : Q → Q...

Question

Let f: Q → Q be a function given by f(x) = x²,then f ^-1(9) =

{3}

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{-3, 3}

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{-3}

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Solution

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If $f : Q \to Q$ is defined as $f (x) = x^{2}$ , then $f^{- 1} (9)$ is equal to

f

R t o R

f (x) = \frac{x^{2} - 4}{x^{2} + 1} .

f (x)

f : R \to R

f (x) = 2 x + 3

f^{- 1} (7)

f : R \to R

f (x) = x^{2} - 3

f^{- 1}

\sqrt{x + 3}

\sqrt{x} + 3

x + \sqrt{3}

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