The function that gives the cost of a certain commodity is defined by
?
?
where x is the number of pounds of a certain commodity sold and C(x) is measured in dollars. Sketch the graph of the function C.
?
Determine the values of x for which the function C is discontinuous.
?
A. ?
x = 20, 30, 40
B. ?
x = 50, 60
C. ?
x = 20, 30, 40
Answer: C
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Determine if the series converges or diverges. If the series converges, find its sum.
A. converges; 
B. converges; ln 3
C. converges; 
D. diverges
Write as a decimal.95.8%
A. 0.848 B. 0.0958 C. 9.58 D. 0.958
Answer appropriately.According to data projections from a wildlife study, a certain region can support a population of 1480 coyotes when the human population in the region is 180,000. The coyote population falls by 15 for every additional 4500 people inhabiting the region. Express the coyote population in the region as a function c(x) where x is the number of people more than 180,000 inhabiting the region.
A. c(x) = - 
+ 181,480
B. c(x) = - 600x + 1480
C. c(x) = -2,632,500x + 1480
D. c(x) = - 
x + 1480
Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. - 
B. 
C. - 
D. 