Calculate the Riemann Sum for the integral using n = 4.
?
?
A. 16
B. 24
C. 30
D. 54
E. 26
Answer: C
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Sketch the graph of the function on semilog paper.y = 2x4 + 8x
What will be an ideal response?
Approximate the surface area of the figure using 3.14 for ?. Round to the nearest hundredth.
A. 113.04 yd2 B. 188.40 yd2 C. 332.75 yd2 D. 314.00 yd2
Provide an appropriate response.The rafters of a house make a 30° angle with the joists. If the rafters have a 20-in. overhang and the center of the roof is 12 ft above the joists, how long must the rafters be cut? 
A. 25 ft 8 in. B. 21 ft 8 in. C. 24 ft 8 in. D. 26 ft
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?); range: [-3, ?) B. Not a function; domain: (-?, ?); range: [-3, ?) C. Not a function; domain: [-3, ?); range: (-?, ?) D. Function; domain: [-3, ?); range: (-?, ?)