Find the maximum and minimum values of the function and the values of x and y for which they occur.F = 4x + 5y, subject to2x - 4y ? 10,2x + y ? 15,0 ? x ? 9,0 ? y ? 5.
A. Maximum: 75 when x = 0 and y = 15; minimum: 20 when x = 5 and y = 0
B. Maximum: 46 when x = 9 and y = 2; minimum: 33 when x = 7 and y = 1
C. Maximum: 61 when x = 9 and y = 5; minimum: 33 when x = 7 and y = 1
D. Maximum: 75 when x = 0 and y = 15; minimum: 0 when x = 0 and y = 0
Answer: C
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A. 
B. 
C. 
D. 
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, 5
, and 3
meters.
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+ 15
meters
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C. 19
+ 15 meters
D. 19 + 15
meters
Perform the indicated operation.-18 - 8
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