A Boy Is Standing on a Flat Field and Tosses $f(x)=-4 x^{2}+8 x$

True/False

A boy is standing on a flat field and tosses his ball toward a second boy standing at the other end of the field. The path of the ball is a parabola, and the equation of the path is $f(x)=-4 x^{2}+8 x$ . Based on this information, answer the question.
-The axis of the parabola is horizontal.