What is the solution to the system of equations graphed below?

What is the equation of the line shown in this graph?

Of four points are collinear, they are also coplanar

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25