Provide an appropriate response.Use the following sets to give the elements in the indicated sets: U = {-3, -2, -1, 0, 1, 2, 3}, A = {-3, -2, -1}, B = {0, 1, 2}A ? B
A. {-3, -2, -1, 0, 1, 2, 3}
B. {-3, -2, -1, 0, 1, 2}
C. {0}
D. {}
Answer: B
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The graph below shows estimated world population for the period 4000 BC - 2000 AD. Note that the logarithm of the world population and not actual population is plotted on the vertical axis. This means, for example, that when the graph reaches 7 on the vertical scale, world population is 107 and when the graph reaches 9 on the vertical scale, world population is 109. Log World Population 
? Year Use the graph to answer the question. How does world population in the year 2000 AD compare with world population in the year 4000 BC?
A. The 2000 AD population is roughly 44% larger than the 4000 BC population. B. The 2000 AD population is roughly three billion larger than the 4000 BC population. C. The 2000 AD population is roughly one thousand times as large as the 4000 BC population. D. The 2000 AD population is roughly thirty times as large as the 4000 BC population.
Perform the indicated operations. Write the answer in simplest form.
÷ 
A. 
B. 2
C. 
D. 
Graph the pair of parametric equations by hand, using values of t in [-2,2]. Make a table of t-, x-, and y-values, using t = -2, -1, 0, 1, and 2. Then plot the points and join them with a line or smooth curve for all values of t in [-2,2]. Do not use a calculator.x = t + 1, y = t2 + 2
What will be an ideal response?
Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 - 4 ? 0
A. Solution: (-?, -2) ? (2, ?)
B. Solution: (-?, -2) ? (2, ?)
C. Solution: (-?, -2] ? [2, ?)
D. Solution: [-2, 2]