Rewrite 8x8x8 using an exponent

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Can someone check if i did this correct. it’s number 4 if you’re wondering.