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lord [1]
3 years ago
10

If f(x) = 3x2 + 1 and g(x) = 1 – x, what is the value of (f – g)(

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0

Answer: it’s 14 hope this helps!

alekssr [168]3 years ago
3 0
(f - g)(x) = (3x² + 1) - (1 - x)
              = 3x² - x
                 OR
              = x(3x - 1)
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It will be worth $128.

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Answer:

For least material to be used lengths of square base and sides = 10 units.

Step-by-step explanation:

Let the lengths of the square base and the sides = x feet, x feet and y feet

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Material used in the prism = Surface area of the rectangular prism

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Here, h =  height of the prism

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w = Width of the base

Material to be used (S) = 2(xy + x² + xy) - Area of lid

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Now by substituting the value of y from equation (1),

S = x² + 2x(\frac{1000}{x^{2} })

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For least amount of material used,

We will find the derivative of the given function and equate it to zero.

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From equation (1),

y = \frac{1000}{(10)^2}

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Therefore, for least amount of the material used lengths of square base and sides will be 10 feet.

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