Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. (-2
, -2)
B. (-2, 2
)
C. (-2
, 2)
D. (2, 2
)
Answer: B
You might also like to view...
Graph the function.y = (x - 4)2/3
A. 
B. 
C. 
D. 
Solve the inequality symbolically. Express the solution set in interval notation.12z - 9 ? 11z - 11
A. (-?, 12) B. (-?, -2] C. (12, ?) D. [-2, ?)
Postal regulations specify that the combined length and girth of a parcel sent by parcel post may not exceed 120 in. Find the dimensions of the rectangular package that would have the greatest possible volume under these regulations. (Hint: Let the dimensions of the box be x'' by y'' by z'' (see the figure below). Then, 
, and the volume
src="https://sciemce.com/media/3/ppg__cognero__8.3_Maxima_and_Minima_of_Functions_of_Several_Variables__media__83349d6a-c74d-453f-ab65-4862ad47be6b.PNG" style="vertical-align:middle;" />. So that 
. Maximize 
.)
?
?
A. x = 20 inches, y = 40 inches, z = 20 inches, V = 16,000 cubic inches
B. x = 20 inches, y = 20 inches, z = 17 inches, V = 6,800 cubic inches
C. x = 22 inches, y = 40 inches, z = 22 inches, V = 16,000 cubic inches
D. x = 22 inches, y = 39 inches, z = 17 inches, V = 14,586 cubic inches
E. x = 22 inches, y = 40 inches, z = 17 inches, V = 14,586 cubic inches
Solve.Approximately 9 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.
A. $2.7 × 109 B. $27 × 109 C. $2.7 × 108 D. $27 × 108