For each set described, write the set in roster form.{x|x is a negative number between 2 and 6}
A. {3, 4, 5}
B. {2, 3, 4, 5}
C. {3, 4, 5, 6}
D. { } or ?
Answer: D
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Write the percent as a fraction in the lowest terms.97.5%
A. 
B. 
C. 
D. 
Solve.A train leaves a town traveling at a speed of 20 miles per hour. Thirty minutes later another train, traveling at 60 miles per hour, leaves the same town in the same direction on a parallel track. How long will it take this train to catch up?
A. 36 min B. 40 min C. 45 min D. 60 min
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 4x + 12
A. Increasing on (2, ?); decreasing on (-?, 2) B. Increasing on (-?, - 2); decreasing on (- 2, ?) C. Increasing on (-?, 2); decreasing on (2, ?) D. Increasing on (- 2, ?); decreasing on (-?, - 2)
Find a so that the statement is true.
a = __________
Fill in the blank(s) with the appropriate word(s).