Solve. Round to the nearest tenth, if necessary.In the past ten years, the population of a city decreased from 105,000 to 
Find the percent decrease.
A. 2000%
B. 5%
C. 4.8%
D. 95.2%
Answer: C
Mathematics
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Find the power series representation for f(x).f(x) = e4x + e-4x
A. 8x + 
+ 
+ . . .
B. 1 + 
+ 
+ . . .
C. 2 + 
+ 
+ . . .
D. 2 + 8x + 
+ 
+ . . .
Mathematics
Find the LCD for the given rational expressions.
, 
A. x(x + 5)2 B. (x + 5)2 C. x(x + 5)(x + 1) D. x(x + 6)(x + 1)
Mathematics
Solve the problem.How many liters of a 30% alcohol solution must be mixed with 60 liters of a 80% solution to get a 40% solution?
A. 240 L B. 24 L C. 30 L D. 300 L
Mathematics
Multiply. Simplify if possible.6
? 6
? 5
A. 216
B. 
C. 182
D. 180
Mathematics