MAC 2311 Midterm: MAC2311 S95 Test 1
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Instructions: do not write your answers on this paper, use separate answer sheets. (1) (5 pts. ) Generally, the more fertilizer that is used, the better the yield of the crop. However, if too much fertilizer is applied, the crops become poisoned and the yield goes down rapidly. Sketch a possible graph showing the yield of the crop as a function of the amount of fertilizer applied. (2) (2 @ 10 pts. ) Give possible formulas for the functions whose graphs are shown in figures 2(a) and 2(b). (3) (15 pts. ) When a cold potato is put into a hot oven to bake, the temperature of the potato rises. Sketch a possible graph showing the temperature h of the potato as a function of t. (4) (10 pts. ) List in ascending order of dominance: ex, x5, ln x, x, 10x. (5) (2 @ 10 pts. ) 2x 1 point where x = 1. (7) (20 pts. )
