Graph the equation and give the coordinates of the vertex.y = -x2 + 2x - 7 
A. (1, -8)
B. (-1, 6)
C. (1, 6)
D. (1, -6)
Answer: D
Mathematics
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Solve the equation using the multiplication principle.15 = -3k
A. -5 B. -18 C. 18 D. 1
Mathematics
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 18 cos 2t, v(0) = 3, s(0) = 11
A. s = - 
cos 2t + 3t + 11
B. s = 
cos 2t - 3t + 11
C. s = 
sin 2t + 3t + 11
D. s = - 
sin 2t + 3t + 11
Mathematics
Evaluate the improper integral.
A. 8 B. -16 C. 16 D. 0
Mathematics
Solve the problem.If 
converges, what can be said about 
, where k is an integer greater than 1?
A. The series always diverges. B. The series always converges. C. The series may converge or diverge.
Mathematics