Solve the problem.For the equation y = - 
cos(2x - 2?), identify (i) the amplitude, (ii) the phase shift, and (iii) the period.
A.
(i)  | (ii)  | (iii) ? |
B.
(i)  | (ii) ? | (iii) ? |
C.
| (i) 2 | (ii) ? | (iii) ? |
D.
| (i) 2 | (ii) 2? | (iii) 2? |
Answer: B
You might also like to view...
Name the following angle using three kinds of notation, if possible.
A. ?XZY, ?Y B. ?YXZ, ?Y C. ?ZYX, ?Y D. ?ZXY, ?Y
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.B ? C
A. {q, s, w, y, z} B. {q, y, z} C. {y, z} D. {q, w, y}
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.121x2 + 121y2 - 88x - 132y - 433 = 0
A. The x-intercept is x ? 41.2, and the y-intercept is y ? 40.4. B. The two x-intercepts are x ? 2.29 and x ? -1.56, and the two y-intercepts are y ? 2.51 and y ? -1.42. C. The two x-intercepts are x ? 4.22 and x ? -3.49, and the two y-intercepts are y ? 4.48 and y ? -3.39. D. There are no intercepts.
Find the coordinates of the midpoint of the line segment PQ.P(8, 9), Q(-4, -9)
A. (12, 18)
B. 
C. (4, 0)
D. 