Solve. Give an exact answer unless indicated otherwise.sin-1 2x + 2 cos-1 x = ?
A. x = ± 
B. x = 0
C. x = ± 
D. x = 1
Answer: B
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Write a pair of parametric equations that will produce the indicated graph.The portion of the circle x2 + y2 = 3 that lies in the second quadrant
A. x = 3 sin t, y = 3 cos t, for ? < t < 
B. x = 3 sin t, y = 3 cos t, for 
< t < ?
C. x = 3 cos t, y = 3 sin t, for 
< t < 2?
D. x = 3 cos t, y = 3 sin t, for 
< t < ?
Add.-19 + (-5) + (-12) + (-16) + 11 + (-17)
A. -58 B. -32 C. -80 D. 4
Determine whether the pair of lines is parallel, perpendicular, or neither.y = 8 - xy = x + 8
A. Parallel B. Perpendicular C. Neither
Determine whether the relation represents a function. If it is a function, state the domain and range.{(11, -4), (-5, -3), (-5, 0), (4, 3), (20, 5)}
A. function domain: {11, 4, -5, 20} range: {-4, -3, 0, 3, 5} B. not a function C. function domain: {-4, -3, 0, 3, 5} range: {11, 4, -5, 20}