Asnowstorm dumped 18 inches of snow in the 12 hour period how many inches were falling per hour

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

Can someone answer this question? : )

Find the solution of this system of equation -7x+y=-20 9x-3y=36