Graph the system of inequalities.y ? 4x - 2x + y ? 1
A. 
B. 
C. 
D. 
Answer: D
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Subtract.12 - (-1)
A. -11 B. 13 C. 11 D. -13
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 29th. 
A. 40 inches B. 16 inches C. 11 inches D. 19 inches
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find cos(2?).
A. 
B. 
C. 
D. - 
Solve the problem.Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E = {1, 2, 4, 5, 7, 9, 10}.
A. 
B. 7
C. 
D. 