Solve the equation -3k+6=15

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.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.