[填空题]
The perimeter, P, of a given re1ad7 u )am*jo9g pe*iscdtclpkip 1x)i*p0irbe ) 30 m,7ow;xktangle can be represented by the function
P(A)=6$\sqrt{\frac{A}{2}}$,A≥0,where A is the area of the rectangle.
The graph of the function 0≤A≤24, is shown below.
1.Find the value of P(24). ≈
2.On the grid above, draw the graph of the inverse function, $P^{−1}$.
3.In the context of the question, explain the meaning of $P^{−1}$(12)=8.