Let f(x, y) = ln(x + 2y). Find 
. Is 
the correct answer?Enter "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
"no"
-2
-2
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 0.20
B. 
C. 
D. 
Mathematics
Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 9 B. not a real number C. 27 D. 81
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.
? 4
A. 
? [4, ?)
B. 
C. 
? 
D. 
Mathematics
Find the average of the numbers.12, 5, 8, 9, 6
A. 8 B. 10 C. 9 D. 41
Mathematics