Function or not? {(2,4)(2,-6)(3,-1)}

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Two lines that do not intersect are skew. always sometimes or never

If you answer 2+2 you will get over 80 points