The function h(t) = -2 (t-3)²+23 represents the height, in feet, t seconds after a volleyball is served. Which of the following statements are correct? Select all that apply.

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

The system of equations graphed below has how many solutions?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?