Solve the problem.A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of 
meters in t seconds. How high does the rock go? How long does it take the rock to reach its highest point?
A. 600 m, 10 sec
B. 1190 m, 10 sec
C. 2280 m, 20 sec
D. 1200 m, 20 sec
Answer: A
Mathematics
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Find the union of the sets.{-5, -1, 2, 6} ? {-3, 1, 4, 8}
A. {-5, -3, -1, 1, 2, 4, 6, 8} B. {-1, 1, 2} C. ? D. {1}
Mathematics
Find the area of the region under the graph of f on [a, b].
f(x) = 
? 2x + 4; [?1, 2]
Select the correct answer.
a. 3
b. –12
c. 12
d. –3
Mathematics
Solve for the variable.4(x + 3) = 5(x - 5)
A. x = -37 B. x = 13 C. x = 37 D. x = -13
Mathematics
Factor out the greatest common factor.2x(3x - 2) - 5(3x - 2)
A. (6x - 5)(x - 2) B. (2x - 5)(3x - 2) C. (6x + 5)(x + 2) D. (2x + 5)(3x + 2)
Mathematics