Solve the problem.The graph gives the profit P(x) as a function of production level. Use graphical optimization to estimate the production level that gives the maximum profit per item produced.
A. 3 units
B. 6 units
C. 5 units
D. 4 units
Answer: C
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Determine which, if any, of the three statements are equivalent.I) A check was mailed to you on Friday, or the check was not mailed to you on Thursday but the check arrived late.II) If the check was not mailed to you on Friday, then the check was not mailed to you on Thursday but the check arrived late.III) The check arrived late, if and only if it was mailed to you on Friday or it was not mailed to you on Thursday.
A. I and III are equivalent B. I, II and III are equivalent C. I and II are equivalent D. None are equivalent
Use synthetic division to decide whether the given number k is a zero of the given polynomial function.k = - 
; f(x) = -3x4 + 8x3 + 2x + 1
A. Yes B. No
Check the answer. If incorrect, give the correct answer.
A. Correct B. Incorrect; should be 56 R3 C. Incorrect; should be 55 R4 D. Incorrect; should be 56
A biologist finds that the population of a certain type of bacteria doubles each half-hour. An initial culture has 60 bacteria.
How long will it take for the number of bacteria to reach 122,880? A) 5.5 hours B) 6 hours C) 6.5 hours D) 7 hours