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Naddik [55]
3 years ago
13

Identify the inverse function of f(x) = VX - 2 + 3.

Mathematics
2 answers:
laiz [17]3 years ago
7 0

Answer:

\huge\boxed{f^{-1}(x) = (x-3)^2+2}

Step-by-step explanation:

f(x) = \sqrt{x-2} + 3

Replace y = f(x)

y = \sqrt{x-2} + 3

Exchange x and y

x = \sqrt{y-2}+3

Solve for y

x = \sqrt{y-2}+3

Subtracting both sides by 3

x - 3 = \sqrt{y-2}

Taking square on both sides

(x-3)^2 = y -2

Adding 2 to both sides

y = (x-3)^2+2

Substitute y = f^{-1}(x)

f^{-1}(x) = (x-3)^2+2

skelet666 [1.2K]3 years ago
3 0

Answer:

<h3>\boxed{ {f}^{ - 1} (x) =  {(x - 3)}^{2}  + 2}</h3>

Option D is the correct option

Step-by-step explanation:

\mathsf{f(x) =  \sqrt{x - 2}  + 3}

Replace f(x) with y

\mathsf{y =   \sqrt{x - 2}  + 3}

Interchange variables

\mathsf{x =  \sqrt{y - 2}  + 3}

\mathsf{{(x - 3)}^{2}  =  {( \sqrt{y - 2)} }^{2} }

\mathsf{ {(x - 3)}^{2}  = y - 2}

\mathsf{ y =  {(x - 3)}^{2}  + 2}

Replace y with f ⁻¹( x )

\mathsf{ {f}^{ - 1} (x) =  {(x - 3)}^{2}  + 2}

Hope I helped!

Best regards!

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