What is the inverse of f(x)=-2x^2-3x-1 ?

The inverse of f(x)=-2x^2-3x-1 is -(3+sqrt(-8x+1))/4 ,-(3-sqrt(-8x+1))/4

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inverse of f(x)=-2x^2-3x-1

inverse

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

- \frac{3 + - 8 x + 1}{4}, - \frac{3 - - 8 x + 1}{4}

Solution steps

y = - 2 x^{2} - 3 x - 1

Replace

x

with

y

x = - 2 y^{2} - 3 y - 1

Solve for

y, x = - 2 y^{2} - 3 y - 1

- \frac{3 + - 8 x + 1}{4}, - \frac{3 - - 8 x + 1}{4}

f (x) = - \frac{4}{5} x^{2} + 29.6 x

g (x) = \frac{9 ( 4 x - 9 )}{4} + 17

y = 0.1591 x^{3.7053}

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

tan (\frac{3.5}{7.59})

What is the inverse of f(x)=-2x^2-3x-1 ?
The inverse of f(x)=-2x^2-3x-1 is -(3+sqrt(-8x+1))/4 ,-(3-sqrt(-8x+1))/4