5. find the derivative matrices of the following composition of functions (a) f. g where f(x, y)= 2x -3y, g(u, v) = (usinu, usinu) (b)fg where f(x. y. 2) = (x2 + y + ,x-y+ 22), g()= (21, ,2r*) (c) f. g where f(x, y, z) = (xyz, xyxz - yz) where gu, u, w) = (uc, uu, vu)

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.