Solve the problem.The positions of two particles on the s-axis are s1 = sin t and 
with s1 and s2 in meters and t in seconds.At what time(s) in the interval 0 ? t ? 2? do the particles meet?
A. t = ? sec and t = 2? sec
B. t = 
? sec and t = 
? sec
C. t = 
? sec and t = 
? sec
D. t = 
? sec and t = 
? sec
Answer: D
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Find a formula for the nth term of the sequence.3, 4, 5, 6, 7 (integers beginning with 3)
A. an = n + 3 B. an = n + 2 C. an = n + 4 D. an = n - 3
Write the following in words.0.099
A. Ninety-nine hundred-thousandths B. Ninety-nine hundredths C. Ninety-nine thousandths D. Ninety-nine ten-thousandths
Solve the problem.To get a C in history, Nandan must have a mean score of 73 on four tests. Scores on the first three tests were 67, 77, and 60. What is the lowest score that Nandan can get on the last test and still receive a C?
A. 69 B. 15 C. 68 D. 88
A stone is thrown straight up from the roof of an 48-ft building. The distance (in feet) of the stone from the ground at any time t (in seconds) is given by 
.
?Sketch the graph ofh. When is the stone rising, and when is it falling? If the stone were to miss the building, when would it hit the ground?
?
A. ?
Rising in the time interval (0, 1);
falling in the time interval (1, 3);
when t = 3 sec
B. ?
Rising in the time interval (0, 1);
falling in the time interval (1, 3);
when t = 3 sec
C. ?
Rising in the time interval (3, -1);
falling in the time interval (-1, 1);
when t = 1 sec