Identifying relationships from diagrams

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Find the distance between the pair of points a(-1,8) and b(-8,4)