Construct a truth table to determine when the lightbulb is on. That is, determine which switches must be open and which switches must be closed for the lightbulb to be on. 
A. The lightbulb will be on in all cases except when p, q, and r are all open.
B. The lightbulb will be on when p and r are closed and q is open.
C. The lightbulb will be on when p, q, and r are all closed.
D. The lightbulb will be on in all cases except when p and r are open and q is closed.
Answer: D
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Rewrite the statement in the form "if p, then q".Practice is necessary for making the team.
A. If you practice, then you will make the team. B. If you make the team, then you won't have to practice. C. If you don't practice, then you won't make the team. D. If you make the team, then you must practice.
Entrepreneurs are found
A. in middle and upper management. B. in the staff areas of the organization, rather than the line areas. C. at all levels of the organization. D. in the scientific and areas of the organization, e.g., research and development, engineering, and marketing.
Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x, y) = e-(x2 + y2 - 4y)
A. Relative maximum at at (0, 2) and relative minimum at at (0, -2) B. Relative maximum at (0, 2) C. Saddle point at (0, 2) D. No relative extremum or saddle points.
Find the intervals on which the function is continuous.Is the function given by f(x) = 
continuous over the interval [-4, 4]? Why or why not?
A. Yes, f(x) is continuous at each point on [-4, 4] B. No, since f(x) is not continuous at x = 4