Describe the following set using set-builder notation.
?
The set of prime numbers less than 125.
?
A. { x | x is a number less than 125 }
B. { 2, 3, 5, 7, 11, 13,..., 125 }
C. { 2, 125 }
D. [ 0, 125 )
E. { x | x is a prime number less than 125 }
Answer: E
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Solve the problem.A construction worker tosses a scrap piece of lumber from the roof of a building. How long does it take the piece of lumber to reach the ground 121 feet below? Use the formula 
where d is the distance (in feet) a freely falling object falls in t seconds. Give your answer as a fraction.
A. 
sec
B. 
sec
C. 
sec
D. 
sec
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = csc x have vertical asymptotes?
A. -2, -1, 0, 1, 2
B. - 
, - 
, 
, 
C. -2?, -?, 0, ?, 2?
D. none
For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value 
r(t) = (6t2 - 6t)i + (t + 3)j + k ; t0 = 2
A. x = 18t, y = t, z = t B. x = 12 + 18t, y = 5 + t, z = 0 C. x = 12 + 18t, y = 5 + t, z = 1 D. x = 12 + t, y = t, z = t
Match the function with its graph.
A)B) 
C) D) 
A. 1A, 2D, 3C, 4B B. 1B, 2D, 3C, 4A C. 1A, 2B, 3C, 4D D. 1C, 2A, 3B, 4D