Find the value of the expression.ln e-3
A. - 
B. e ln -3
C. 1
D. -3
Answer: D
Mathematics
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Solve the problem.Assuming C is a simple closed path , what is special about the integral 
? Give reasons for your answer.
What will be an ideal response?
Mathematics
Solve the problem.Yearly sales of an electronic device S(t), in millions of dollars, t years after 1996 can be estimated by S(t) = 200 ? 3t .What is the doubling time for the yearly sales?
A. 1.3 yr B. 0.6 yr C. 0.7 yr D. 5.5 yr
Mathematics
Write the expression as a logarithm of a quantity to a power. Leave answers in simplest form without negative or fractional exponents.7 logby
A. logby7 B. log7yb C. b log70y7 D. 7 logby7
Mathematics
By the year 2015 the world population will grow to
A. 5.1 billion. B. 7.2 billion. C. 10.6 billion. D. 6.1 billion.
Mathematics