Find the root if it is a real number.- 
A. -220
B. 21
C. Not a real number
D. -21
Answer: D
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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 = 
? sec
B. t = ? sec and t = 2? sec
C. t = 
? sec and t = 
? sec
D. t = 
? sec and t = 
? sec
Provide an appropriate response.Plot the following ordered pairs in the same xy-plane. Tell in which quadrant or on what coordinate axis each point lies. A(2, -4), B(0, 1), C(-4, 0), D(3, 2), E(-2, -3), F(-1, 3) 
A. A: quadrant IV, B: y-axis, C: x-axis
D: quadrant I, E: quadrant II,
F: quadrant III
B. A: quadrant IV, B: x-axis, C: y-axis
D: quadrant I, E: quadrant III,
F: quadrant II
C. A: quadrant I, B: y-axis, C: x-axis
D: quadrant IV, E: quadrant III,
F: quadrant II
D. A: quadrant IV, B: y-axis, C: x-axis
D: quadrant I, E: quadrant III,
F: quadrant II
Use the quotient rule to divide and simplify.
A. 
B. 
C. 4
D. 
Select an appropriate type of modeling function for the data shown in the graph. Choose from exponential, logarithmic, and logistic.
A. Exponential B. Logarithmic C. Logistic