Find the indicated sum.
A. 22
B. 14
C. 7
D. 
Answer: A
Mathematics
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Solve the problem.The disk (x - 5)2 + y2 ? 4 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 2?, since it is the area of a semicircle of radius 2.)
A. 20?2 B. 40?2 C. 20? D. 10?2
Mathematics
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Mathematics
Find the range of the quadratic function.f(x) = 2x2 + 3x - 9
A. [- 
, ?)
B. (-?, - 
]
C. (-?, - 
]
D. [- 
, ?)
Mathematics
Find an angle ? in the fourth quadrant for which tan ?= - 1. Look for an angle between 0° and 360°. ?
A. 300° B. 225° C. 120° D. 330° E. 315°
Mathematics