Find the producer surplus at the equilibrium point.S(x) = 3x2; x = 1
A. $0
B. $6
C. $1
D. $2
Answer: D
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Rwhere R is the parallelogram bounded by the lines 
A. 
B. 
C. 
D. 
Solve problems by subtracting whole numbers.In preparation for his new job, Tristan bought two suits at $184 a piece, five shirts at $26 a piece, two pairs of shoes at $68 a piece, four ties at $26 a piece, and five pairs of socks at $8 a piece. What was the total cost of these items?
A. $796 B. $778 C. $738 D. $312
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 1 + (-1)n + (-1)n(n+1)
A. 3 B. 1 C. 0 D. Diverges
Solve the problem.The concentration of alcohol in a person's blood is measurable. Suppose that the risk R (given as a percent) of having an accident while driving a car can be modeled by the equation R = 5ekxwhere x is the variable concentration of alcohol in the blood and k is a constant.(a) Suppose that a concentration of alcohol in the blood of 0.07 results in a 12% risk 
of an accident. Find the constant k in the equation.(b) Using this value of k, what is the risk if the concentration is 0.012?(c) Using the same value of k, what concentration of alcohol corresponds to a risk of 100%?(d) If the law asserts that anyone with a risk of having an accident of 12 or more
should not have driving privileges, at what concentration of alcohol in the blood should a driver be arrested and charged with a DUI? What will be an ideal response?