7.
if f(x) + g(x) = 8x2 - 6x + 1
and f(x) = 10x2 - 7x + 3, what is g(x)?
a. g(x) = 2x2--2
b. g(x) = 2x2 + x - 2
c. g(x) = -2x2 + x + 2
d. g(x) = -2x2 + x-2

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters