Simplify the rational expression.
A. -4
B. 4
C. - 
D. 
Answer: D
Mathematics
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -x2 - 6 B. y = -x2 + 6 C. y = -(x + 6)2 D. y = -(x - 6)2
Mathematics
Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 2 cm to 2.1 cm? (Use 3.14 for ?.)
A. 5.2 cm3 B. 5.0 cm3 C. 0.3 cm3 D. 4.8 cm3
Mathematics
Solve.
+ 
= 
+ 
A. 
B. 
C. 
D. 40
Mathematics
Solve the quadratic inequality by any method. Write your answer in interval notation.-x2 ? 5
A. No solutions
B. (-?, 0] ? [
, ?)
C. (-?, 0)
D. (-?, ?)
Mathematics