3 years ago

Evaluate 2x - Y when x= 5, y=3

1 answer:

7 0

Answer:

the answer is 7

Step-by-step explanation:

2x-y

2*5 - 3

10 - 3

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Paraphin [41]

Answer:

35,000 units

Step-by-step explanation:

Total revenue is:

$R = -x^3+39x^2+945x$

The maximum revenue is attained at the production level for which the derivate of the revenue function is zero:

$R = -x^3+39x^2+945x\\R'=0=-3x^2+78x+945\\x=\frac{-b\pm\sqrt{78^2-(4*(-3)*945)} }{-6}\\x_1=35\\x_2=-9$

Since production cannot be negative, revenue will be at a maximum when x = 35, or when the production level is 35,000 units.

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avanturin [10]

answer b is true 3.4x3.4 = 11.56

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