Which graph represents a function? On a coordinate plane, a straight vertical line crosses the y-axis 0 times and the x-axis 1 t
ime. On a coordinate plane, a curved line crosses the y-axis 2 times and the x-axis 1 time. On a coordinate plane, 2 curved lines are shown. Both lines touch the y-axis 1 time and the x-axis 1 time. On a coordinate plane, a straight horizontal line crosses the y-axis 1 time and the x-axis 0 times.
