Solve the problem.By walking  for one period of time and  for another, Kevin traveled  Had he walked  faster throughout, he would have  miles. How many hours did he walk at 

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A. 2 hr
B. 1 hr
C. 3 hr
D. 5 hr

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Answer: A

Mathematics

Verify the integration formula.(x - 1)coth-1  + + C

A. Yes B. No

Evaluate the integral by using multiple substitutions. dt

A.  + C
B. -  + C
C. -  + C
D.  + C

Determine whether the points A, B, and C form a right triangle.A = (5, -5); B = (10, -5); C = (10, 1)

A. Yes B. No

Solve the problem.Use determinants to determine whether the points (-2, 6), (0, 1), and (3, -8) are collinear.

A. Yes B. No