What is the inverse of f(x)=130-4.9x^2 ?

The inverse of f(x)=130-4.9x^2 is sqrt(-(10x-1300)/(49)),-sqrt(-(10x-1300)/(49))

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inverse of f(x)=130-4.9x^2

inverse

f (x) = 130 - 4.9 x^{2}

- \frac{10 x - 1300}{49}, - - \frac{10 x - 1300}{49}

Solution steps

y = 130 - 4.9 x^{2}

Replace

x

with

y

x = 130 - 4.9 y^{2}

Solve for

y, x = 130 - 4.9 y^{2}

- \frac{10 x - 1300}{49}, - - \frac{10 x - 1300}{49}

What is the inverse of f(x)=130-4.9x^2 ?
The inverse of f(x)=130-4.9x^2 is sqrt(-(10x-1300)/(49)),-sqrt(-(10x-1300)/(49))