What is the inverse of f(x)=x^4-4 ?

The inverse of f(x)=x^4-4 is \sqrt[4]{x+4},-\sqrt[4]{x+4}

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inverse of f(x)=x^4-4

inverse

f (x) = x^{4} - 4

4 x + 4, - 4 x + 4

Solution steps

y = x^{4} - 4

Replace

x

with

y

x = y^{4} - 4

Solve for

y, x = y^{4} - 4

4 x + 4, - 4 x + 4

f (x) = x^{4} - 7

f (x) = \frac{( 3 x - 1 )}{2}

lo g_{3} (3 x + 4)

5 x + \frac{5}{x}

f (x) = x - 1 + 8

What is the inverse of f(x)=x^4-4 ?
The inverse of f(x)=x^4-4 is \sqrt[4]{x+4},-\sqrt[4]{x+4}