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kap26 [50]
3 years ago
14

If f(x) = 6x – 4, what is f(x) when x = 8?

Mathematics
1 answer:
RSB [31]3 years ago
3 0
The answer should be 6(8)-4
F(x) is 44
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arts academy requires there to be 6 teachers for every 144 students and 3 tutors for every 24 students. How many students does t
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4 0
2 years ago
A rectangular storage container with an open top is to have a volume of 10 m3. the length of this base is twice the width. mater
BartSMP [9]
Refer to the diagram shown below.

The volume of the container is 10 m³, therefore
x*2x*h = 10
2x²h = 10
h = 5/x²        (1)

The base area is 2x² m².
The cost is $10 per m², therefore the cost of the base is
(2x²)*($10) = 20x²

The area of the sides is
2hx + 2(2xh) = 6hx = 6x*(5/x²) = 30/x m²
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The total cost is
C = 20x² + 180/x

The minimum cost is determined by C' = 0.
That is,
40x - 180/x² = 0
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The second derivative of C is
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The total cost is
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Answer: $163.54

7 0
2 years ago
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