Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 4
A. 
?
B. 2?
C. 8?
D. 4?
Answer: C
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 12t5i - 4t5j + 3t5k
A. T = 
i + 
j + 
k
B. T = 
i - 
j - 
k
C. T = 
i - 
j + 
k
D. T = 
i - 
j + 
k
Mathematics
Convert. Round to the nearest tenth unless otherwise indicated.A summer day on the North Slope of Alaska can have a temperature as low as -11°C. What is t his temperature in degrees Fahrenheit?
A. 12.2°F B. -6.1°F C. 23.9°F D. -19.8°F
Mathematics
Perform the indicated operation and write the answer in lowest terms. 
- 
- 
A. - 
B. 
C. 
D. 
Mathematics
Write an equation for the graph given. The graph represents an exponential function f with base 2 or 3, translated and/or reflected.
A. -3-x + 1 B. -3x + 1 C. 3-x + 1 D. -3-x - 1
Mathematics