Answer: y=-x+-8
Step-by-step explanation:
Proof is in the screenshot below
Answer:
x=1.4
Step-by-step explanation:
Write the equation

Multiply both sides by x

Divide both sides by 4

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Answer:
WHAT IS THE QUESTION?
Step-by-step explanation:
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To answer this item, we take the differential of the equation and equate to zero.
C(x) = 0.8x² - 256x + 25939
Differentiation,
dC(x) = 1.6x - 256
dC(x) = 1.6x - 256 = 0
The value of x from the derived equation above is 160.
Thus, the number of machine to be made in order to minimize the cost should be 160.