PRECAL PLEASE HELP Find intersections and unions of the following given sets.
(Refer to image for the whole question, thank you!)

For which pair of functions is (gof)(a)=|a|-2?

Through non-collinear points there is exactly one plane.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27