Which linear inequality is represented by the graph?

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?