Graph the equation and give the coordinates of the vertex.y = -x2 + 2x - 7   

A. (1-8)

B. (-16)

C. (16)

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