Solve the application problem.The graph shows the population of a small town in the United States for the years 2000 through 2005. Is this graph a function? What is the range of the graph? 
A. no; [2000, 2005]
B. no; [2000, 3000]
C. yes; [2000, 3000]
D. yes; [2000, 2005]
Answer: C
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Identify the curve as simple, closed, both, or neither.
A. Closed B. Both C. Neither D. Simple
Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.(A ? B)'
A. {q, s, t, u, v, w, x, y} B. {t, v, x} C. {r, t, u, v, w, x, z} D. {s, u, w}
Use the given information to find the unknown length represented by the variable x.Rectangle with an area of 88 square yards
11 yd
A. 13 yd B. 11 yd C. 8 yd D. 10 yd
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100