Graph the function, and state its domain and range.f(x) = 
+ 5
A. Domain: [2, ?); Range: [5, ?)
B. Domain: [-2, ?); Range: [-5, ?)
C. Domain: [2, ?); Range: [-5, ?)
D. Domain: [-2, ?); Range: [5, ?)
Answer: A
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 1 B. ? C. 0 D. No limit
In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Lecture" sector?
A. 64.8° B. 18° C. 20° D. 32.4°
Which of these two sets of numbers will have the largest standard deviation? SET A: 5, 6, 7, 8, 9, 10 SET B: 5, 5, 7, 8, 8, 10
A. SET A B. SET B C. They are the same D. cannot be determined
Provide an appropriate answer. Determine whether the points whose coordinates are (3, -3), (1, -5), and (-1, -7) lie on a line.
A. The points lie on a line. B. The points do not lie on a line.