Solve the problem.The average number of vehicles waiting in line at a toll booth of a super highway is modeled by the function 
, where x is a quantity between 0 and 1 known as the traffic intensity. What happens to the average number of vehicles waiting as traffic intensity increases?
A. The average number of vehicles waiting decreases at first, but then increases.
B. The average number of vehicles waiting remains constant.
C. The average number of vehicles waiting increases.
D. The average number of vehicles waiting decreases.
Answer: C
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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 13 B. 26 C. 50 D. 200
Solve the problem.81 bridges is what percent of 97 bridges? Round to the nearest whole percent.
A. 970% B. 10% C. 84% D. 68%
Solve the problem.The cost of producing t units is C = 4t2 + 5t, and the revenue generated from sales is R = 5t2 + t. Determine the number of units to be sold in order to generate a profit.
A. t > 5 B. t > 6 C. t > 0 D. t > 4
Factor out the greatest common factor.12s7t2 + 4s5t3
A. s5t2(12s + 4t) B. 4s7t3(3s2 + t) C. 4s5t2(3s2 + t) D. 4s2t(3s + t)