Solve the initial value problem: y? = cos (2x) ? x; y (0) = ?1 .
What will be an ideal response?
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Solve the system of equations.- 
x + 5y - 2z = -313x + 
y + z = 20 x - 3y + 4z = 31
A. (6, -3, 4) B. (9, -3, 5) C. (6, -6, 5) D. (9, -6, 4)
Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = 9 - 3x
A. 
x-intercept is -3.
B. 
x-intercept is 3.
C. 
x-intercept is 0.
D. 
x-intercept is 3.
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.b = 7 yd, c = 14 yd
A. a = 7 yd B. a ? 12.1 yd C. a ? 9.9 yd D. a ? 4.6 yd
In a survey of a TriDelta chapter with 46 members, 11 were taking mathematics, 36 were taking English, and 10 were taking both. How many were not taking either of these subjects? ?
A. 11 B. 6 C. 36 D. 9 E. 10