Find all the first order partial derivatives for the following function.f(x, y) = ln yx
A. 
= ln y; 
= 
B. 
= 0; 
= - 
C. 
= ln y; 
= - xln y
D. 
= xln y; 
= - 
Answer: A
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Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has polar coordinates of (4, 30°). Round to tenths.
A. (3.5, 2) B. (3.5, 30°) C. (0.6, -4.0) D. (0.6, 2)
Solve the problem.Sara works at a fast food restaurant. On one day she sold 98 double hamburgers, 37 fish sandwiches, 87 orders of French fries, 90 small drinks, 48 medium drinks, and 45 large drinks. On the next day she sold 88 double hamburgers, 46 fish sandwiches, 47 orders of French fries, 15 small drinks, 74 medium drinks, and 74 large drinks. Write this information in a 2x6 matrix.
A. 
B. 
C. 
D. 
Simplify.(
+ 3)(
- 3)
A. 7 - 2
B. 16
C. 4
D. -2
Solve the system.In a local election, the ratio of votes for the winning candidate to the losing candidate was 2 to 1. If 6303 votes were cast in the election, how many votes did the winning candidate get?
A. 4202 votes B. 2101 votes C. 5252 votes D. 3151 votes