Find the length of the curve.y = 
x3 + 
from x = 1 to x = 3
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.Suppose that a histogram is constructed for the frequency table shown below:
The class 60-69 has twice the frequency of the class 70-89. In the histogram, will the area of the bar for the class 60-69 be twice the area of the bar for the class 70-89? In other words, will areas be proportional to frequencies in this histogram? Explain your thinking. Are there any conditions under which areas are proportional to frequencies in histograms?
What will be an ideal response?
Multiply and write answer in lowest terms.
× 
A. 
B. 
C. 
D. 
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a sphere with radius 13 in.
A. 707.5 in.3 B. 9198.1 in.3 C. 5173.9 in.3 D. 1149.8 in.3
Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 80 feet at an initial velocity of 80 feet per second, then its height after t seconds is given by the equation 
, where h is in feet. After how many seconds will the object reach a height of 180 feet?
A. 2.5 sec B. 1.3 sec C. 5 sec D. 10 sec