Please help! I will mark as brainliest IF answer is right. <3

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

One integer is 8 times another. if the product is 72, then find the integers

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1