X for x 2 July 8, 2019 16 32 64 128 X 7 for x 2 X 6 for x 2 X 5 for x 2 X 4 for x 2 X 3 for x 2 X x 2 )= 0 X x 2 1 X x 2 1 integral X x 2 12 X x 2 graph X x 2 derivative X x 2 15 X x 2 solve