Find the sum.4 + 
+ 
+ 
+ . . .
A. 
B. 
C. 5
D. Does not exist
Answer: C
Mathematics
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The life expectancy 
, measured in years, of a child born 
years after 2003 is given by
.
?
If one child is born 5 years after another, how much greater is the life expectancy? Assume that both children are born after 2003, so the formula above applies.
?
A. 1.51 years
B. 0.90 years
C. 5.66 years
D. 0.18 years
Mathematics
Evaluate the improper integral.
A. 168 B. 140 C. 84 D. 112
Mathematics
Use the change of base formula and the properties of logarithms to rewrite the expression as a single logarithm in the indicated base.loge2 x7 + loge3 x15 + loge4 x16, base e
A. ln 
B. 16 ln x
C. 25 ln x
D. ln 
Mathematics
Find the range for the data set.15, 16, 17, 18, 19
A. 19 B. 15 C. 17 D. 4
Mathematics