Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a unit vector pointing away from the origin.
A. 
B. xi + yj
C. - 
D. 
Answer: D
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You sell calculators, and the price you charge for each calculator depends on the number purchased. If a customer orders C calculators, then you charge 
dollars for each calculator.
?
A: Write a formula that gives your income I, in dollars, if you sell C calculators.B. What is your income if you sell 8 calculators?C: What number of calculators sold will provide you with the most income?
What will be an ideal response?
Use the circle graph to answer the question.
The total domestic production last year was 5,942,000 vehicles. Determine the number of vehicles produced by Generic Motors last year.
A. 1,806,368 vehicles B. 2,257,960 vehicles C. 22,579,600 vehicles D. 225,796 vehicles
Provide an appropriate response.If 
f(x) = 1, 
f(x) = -1, and f(x) is an even function, which of the following statements are true?I. 
f(x) = -1II. 
f(x) = -1III. 
f(x) does not exist.
A. II and III only B. I and III only C. I and II only D. I, II, and III
Evaluate the expression.9-1 + 5-1
A. 
B. 
C. 2
D. 