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

User Lester S
by
7.7k points

1 Answer

3 votes


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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User Ed
by
7.5k points