Can you answer and explain questions 64-66?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)