Which function is a quadratic function?
c(x) = 6x + 3x3
od(x) = x - 8x4
o p(x) = -5x – x2
k(x) = 2x2 + 9x4

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear