Write the sum in summation notation.2 + 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: C
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Set up the iterated integral for evaluating 
over the given region D. DD is the right circular cylinder whose base is the circle 
in the xy-plane and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.m2 + mn - 56n2
A. (m + 8n)(m - 7n) B. (m + 8n)(m + 7n) C. (m - 8n)(m + 7n) D. (m - 8n)(m - 7n)
Solve the equation.0.7(x + 20) + 0.1(x - 40) = 58
A. {70} B. {60} C. {50} D. {120}
You can now sell 120 cups of lemonade at 40 cents per cup, but demand is dropping at a rate of 6 cups per week each week. Assuming that raising the price doesn't affect the demand, how fast do you have to raise your price if you want to keep the revenue constant? ?
A. 6 cents per week B. 2 cents per week C. 1 cent per week D. 4 cents per week E. 5 cents per week