Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. -8
B. -9
C. -18
D. -27
Answer: B
Mathematics
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Solve the application and answer with a complete sentence.A telephone costs $342 and is subject to a 7% sales tax. What is the total purchase price of the telephone?
A. The total purchase price is $369.36. B. The total purchase price is $362.52. C. The total purchase price is $365.94. D. The total purchase price is $581.40.
Mathematics
Add.17 + 42
A. 60 B. 59 C. 58 D. -25
Mathematics
Write the first four terms of the sequence.an = 
A. 
, 
, 3, 
B. 
, 
, 
, 
C. 1, 4, 
, 
D. 2, 4, 3, 
Mathematics
Determine whether the points 
, 
, 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_0e0c22a5fe4345f79916cdb8a" />, and 
are coplanar.
?
A. ?no
B. ?yes
Mathematics