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

The inverse of f(x)=4sqrt(x)-x is -x+8+4sqrt(-x+4),-x+8-4sqrt(-x+4)

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

inverse

f (x) = 4 x - x

- x + 8 + 4 - x + 4, - x + 8 - 4 - x + 4

Solution steps

y = 4 x - x

Replace

x

with

y

x = 4 y - y

Solve for

y, x = 4 y - y

- x + 8 + 4 - x + 4, - x + 8 - 4 - x + 4

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

f (x) = \frac{1}{( x - 4 ) ( x + 4 )}

y = lo g_{10} (x + 9)

f (x) = (1 - x^{3})^{\frac{1}{5}} + 2

f (x) = \frac{lo g _{10} ( x - 5 )}{2}

What is the inverse of f(x)=4sqrt(x)-x ?
The inverse of f(x)=4sqrt(x)-x is -x+8+4sqrt(-x+4),-x+8-4sqrt(-x+4)