Find the specified quantity.Find the amplitude of y = -2 sin 
.
A. 
B. -8
C. 2
D. 4
Answer: C
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Solve the problem.Trains S and T are both traveling in the same direction. Their distance in miles North of Denver after x hours are computed by the functions fS and fT, respectively, and their graphs are shown in the figure for 
During what time interval is Train T closer to Denver than Train S? 
A. after 3.3 hours, or x > 3.3 B. between 3.3 and 8 hours, or 3.3 < x ? 8 C. always, or x ? 0 D. between 0 and 3.3 hours, or 0 ? x < 3.3
Find the center-radius form of the circle described or graphed.a circle having a diameter with endpoints (3, -4) and (3, 4)
A. (x - 3)2 + y2 = 16 B. (x + 4)2 + y2 = 9 C. (x - 3)2 + y2 = 4 D. x2 + (y + 4)2 = 9
Find a so that the statement is true.
a = __________
Fill in the blank(s) with the appropriate word(s).
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
2
A. 
B. 
C. 
D. 