Find the value(s) of the function, subject to the system of inequalities.Find the maximum and minimum of  subject to:0 ? x ? 5, 0 ? y ? 8, 4x + 5y ? 30, and 

A. -58.75, -78
B. 25, -78
C. -78, 0
D. 25, 0


Answer: B

Mathematics

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A.
B.
C.
D.

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The quantity demanded of a certain brand of DVD player is 2,200/wk when the unit price is $475. For each decrease in unit price of $28.00 below $475, the quantity demanded increases by 350 units. The suppliers will not market any DVD players if the unit price is $350 or lower. But at a unit price of $500, they are willing to make available 2,500 units in the market. The supply equation is also known to be linear.

Find the demand equation.
p(x)=__________
Find the supply equation.
p(x)=__________

Mathematics