Answer the question.If the rational expression 
represents the area of a rectangle and 
represents the length of the rectangle, what rational expression represents the width?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the sum of the series by recognizing how it is related to something familiar.1 + 3x + 5x2 + 
x3 + . . .
A. 
B. e2x(1 - x)
C. 
D. 
Mathematics
Give the domain, range, or period, as requested.Period of y = sec x + 2
A. 2?
B. 
C. 2
D. ?
Mathematics
Solve.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152 B. 456,976 C. 33,800 D. 16,900
Mathematics
Find the difference.- 
- 
A. 
B. - 
C. - 1
D. - 
Mathematics