What is the completely factored form of this polynomial? 81x4 − 16y4 A. (3x2 + 2y2)(9x + 4y)(9x − 4y) B. (9x2 + 4y2)(9x2 − 4y2) C. (9x2 + 4y2)(3x − 2y)2 D. (9x2 + 4y2)(3x + 2y)(3x − 2y)

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.