Find an approximation of the area of the region R under the graph of the function f on the interval [a, b]. Use n subintervals and choose the representative points as indicated.
?
; [1, 3]; 
; right end points
?
A. 6.06 sq units;
B. 5.57 sq units;
C. 5.2 sq units;
D. 5.7 sq units;
Answer: D
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Simplify using the quotient rule.
A. 648 B. 9 C. 2 D. 810
Find the probability of the event.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a jack.
A. 
B. 
C. 
D. 
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
Which year had the greatest number of female athletes? What was the total number of female athletes that year?
A. 2004; 350 athletes B. 2004; 375 athletes C. 2005; 475 athletes D. 2005; 325 athletes
Find the domain of the composite function f?g.f(x) = 3x + 15,g(x) = x + 3
A. (-?, -5) or (-5, -3) (-3, ?) B. (-?, ?) C. (-?, -8) or (-8, ?) D. (-?, 8) or (8, ?)