Perform the indicated operation and simplify.
+ 1
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem. First use front end rounding. Then find the exact answer.The number of vacationers at the lake was 5450 on Friday. If this was 4375 more than on Thursday, how many people were at the lake on Thursday?
A. Estimate: 9900 vacationers; exact: 9825 vacationers B. Estimate: 1000 vacationers; exact: 1075 vacationers C. Estimate: 1100 vacationers; exact: 1070 vacationers D. Estimate: 9000 vacationers; exact: 9830 vacationers
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. List the elements in the following set.A ? 
A. {t, v, x} B. {u, w} C. {q, s, t, u, v, w, x, y} D. {r, s, t, u, v, w, x, z}
Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where an = f(n)?
A. f(x) is continuous for x ? N B. f(x) is everywhere positive C. f(x) is decreasing for x ? N D. All of these are conditions for applying the integral test.
Simplify.(-2a7b4)3
A. -8a21b12 B. 8a21b12 C. 8a10b7 D. -8a10b7