MATH 112 Final: MATH 112 UW Winter n13Final Solutions
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1. (a) p (w, y) = w2 + 2wy 3y2 + 26w + 38y 130 (b) w = 29, y = 16 (c) selling one additional yodget (d) 40. 75. 3) e3x(cid:0)y2 y (cid:17)2 (cid:16)xy5 + x6 y (cid:17) 3(cid:1)(cid:16)y5 + 6x5 (d) rx(x, y) = (cid:16)xy5 + x6 y (cid:17)(cid:0)3e3x(cid:1) (y2 (e) 348. 5 (f) 250. 3. (a) t = 17 seconds (b) 400 11t 5. 5h. 113. 4 (c) g (t) = (t + 1)2 (d) ii. 126. 8 (t + 1)3 , which is negative at all positive t, and this implies that g (t) is always decreasing: . 57. D (b) local max at m = 14, 24; local min at m = 17.
