Which statement is true about this graph?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?