$(1$ point$)$

Solve the separable differential equation

$9x-3y\sqrt[\phantom{2}]{x^2+1}\frac{dy}{dx}=0$

Subject to the initial condition: $y(0)=9.$

$y=$

$$

$(1$ point$)$

Solve the separable differential equation

$9x-3y\sqrt[\phantom{2}]{x^2+1}\frac{dy}{dx}=0$

Subject to the initial condition: $y(0)=9.$

$y=$

$$

$(1$ point$)$

Solve the separable differential equation

$9x-3y\sqrt[\phantom{2}]{x^2+1}\frac{dy}{dx}=0$

Subject to the initial condition: $y(0)=9.$

$y=$

$$

$(1$ point$)$

Solve the separable differential equation

$9x-3y\sqrt[\phantom{2}]{x^2+1}\frac{dy}{dx}=0$

Subject to the initial condition: $y(0)=9.$

$y=$

$$

$(1$ point$)$

Solve the separable differential equation

$9x-3y\sqrt[\phantom{2}]{x^2+1}\frac{dy}{dx}=0$

Subject to the initial condition: $y(0)=9.$

$y=$

$$