Use the trapezoidal rule to approximate the value of the integral defined by the given set of points.
A. 5.33
B. 5.49
C. 5.36
D. 5.27
Answer: C
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Solve the given applied problem.A rectangular area of 2600 ft2 is to be fenced off along the bank of a river; no fence is required along the river. If the material for the fence costs $16 per running foot for the two ends and $15 per running foot for the side parallel to the river, what end length results in a cost of $2380.
A. 100 ft B. 52 ft C. 50 ft D. 25 ft
Use the given graph to determine the limit, if it exists.
f(x) and
f(x).
A. 1; -1 B. 1; 1 C. -1; -1 D. -1; 1
Solve the problem.The stem and leaf plot depicts the debt-to-income ratios of loan applicants at a nearby bank. 
Units 6|4 = 64%Describe the shape of the distribution.
A. Left skewed B. Normal C. Uniform D. Right skewed
Provide an appropriate response.It can be shown that an ellipse with foci (c, 0) and (-c, 0), where the sum of the distances from any point (x, y) of the ellipse to the two foci is 2a, has the equation 
+ 
= 1. Use this result to find an equation of an ellipse with foci (2, 0) and (-2, 0), where the sum of the distances from any point of the ellipse to the two foci is 12.
A. x2 + y2 = 144
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1