MATH 211 Midterm: MATH 211 NIU s03Test3
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X + ex f (x) = (e) f (x) = ln(cid:20) x5 (x + 5)2(cid:21) f (x) = (4. 1 #29) (4. 2 #51) (4. 2 #89) (4. 1 #63) (4. 2 #83) Math 211 section c: (20 pts) find the following antiderivatives and integrals. X + x 4/3(cid:19) dx = page 2 of 4 (5. 1 #25) (b) find the cost function c(x), given that the marginal cost is. C (x) = x3 2x and the xed cost is c(0) = 100. (5. 1 #31) (c) z e. 1 x(cid:19) dx = (5. 2 #41: (10 pts; 5. 3 #35) the temperature over a 10 hour period is given by f (t) = t2 + 5t + 40, for 0 t 10. Exam iii page 4 of 4: (10 pts) a colony of sea monsters is growing at a rate proportional to its size. Observations show that the population is tripling every 11 years.
