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Ivenika [448]
3 years ago
15

F(x) = 4x4- 7x+ 8x3 g(x) = 2x4+ x+ 5x2 Find g(x)- f(x)

Mathematics
1 answer:
Andrej [43]3 years ago
5 0

Answer: -2x^4-8x^3+5x^2+8x

Step-by-step explanation:

f(x)=4x^4-7x+8x^3\\g(x)=2x^4+x+5x^2

g(x)-f(x)

(2x^4+x+5x^2)-(4x^4-7x+8x^3)\\= 2x^4+x+5x^2-4x^4+7x-8x^3\\=-2x^4-8x^3+5x^2+8x

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If twice a number, added to 3 is divided by the number plus 5, the result is three halves. Find the number.
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Answer:2

Step-by-step explanation:

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Multiply both sides by 3:

2x + 5 = 9/2

Subtract 5 from both sides:

2x = 9/2 - 5 = 9/2 - 10/2 = 3/2

Divide both sides by :

x = 3/4

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2 years ago
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Answer:

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Step-by-step explanation:

Each year the population is multiplied by 100% + 4% = 1.04. We want to repeat that multiplication 15 times, once for each of the 15 years. An exponent is what we use to signify (and compute) repeated multiplication. The population will be ...

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3 years ago
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Step-by-step explanation:

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3 years ago
A vacant city lot is being turned into a neighborhood garden. The neighbors want to fence in a triangular section of the lot and
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Answer:

  17 ft, 27 ft, 20 ft

Step-by-step explanation:

Let s represent the length of the shortest side. The the longest side is (2s-7) and the third side is (s+3). The perimeter is the sum of the side lengths:

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  64 = 4s -4 . . . . . . . . . . . collect terms

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3 years ago
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