What is the inverse of f(x)=(x-7)(x-9) ?

The inverse of f(x)=(x-7)(x-9) is 8+sqrt(x+1),8-sqrt(x+1)

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inverse of f(x)=(x-7)(x-9)

inverse

f (x) = (x - 7) (x - 9)

8 + x + 1, 8 - x + 1

Solution steps

y = (x - 7) (x - 9)

Replace

x

with

y

x = (y - 7) (y - 9)

Solve for

y, x = (y - 7) (y - 9)

8 + x + 1, 8 - x + 1

f (x) = \frac{2 x + 5}{x + 1}

2 (3^{x}) + 1

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

f (x) = - 4 x - \frac{2}{3}

5 - 3 x

What is the inverse of f(x)=(x-7)(x-9) ?
The inverse of f(x)=(x-7)(x-9) is 8+sqrt(x+1),8-sqrt(x+1)