The following table gives the total sales of drugs (in billions of dollars) in one country from 1999 
through 2003:
Year, x01234Sales, y125144169189214?
Find an equation of the least-square line for these data. Round the coefficients in your equation to one decimal place.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Write the expression as a single logarithm.logq q - logq r + 2logq p
A. logq qp2r
B. logq 
C. logq 
D. logq 
Mathematics
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = ex + 
A. x ? -1.463056 B. x ? -1.462945 C. x ? -1.963056 D. x ? -0.463056
Mathematics
Find the difference.16.891 - 3.407
A. 13.684 B. 20.298 C. 13.584 D. 13.484
Mathematics
Solve.x + 
= 
A. 
B. 
C. 
D. 
Mathematics