Question

Write the inverse of the function.
f(x) = x2 + 7

Answer 1

`f(x) = {x}^(2) + 7`

`y = {x}^(2) + 7`

Subtract the sides of the equation minus 7

`y - 7 = {x}^(2)`

Take the square root of both sides of the equation

`x = √(y - 7)`

So ;

`{f}^( - 1)(x) = √(x - 7)`

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And we're done.

Thanks for watching buddy good luck.

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