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Dvinal [7]
3 years ago
8

The average wind speed increased 19 mi/h from 8 A.M. to noon. The average wind speed decreased 5 mi/h from noon to 4 P.M. At 4 P

.M., the average wind speed was at leasr 32 mi/h. What is the minimum value of the average wind speed at 8 A.M.?
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0
Oops dont know sorry i am just bad at math
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Lim x-1 x³-2x²+3x-2/(2x^4-3x+1)
UkoKoshka [18]

Since the limit becomes the undetermined form

\displaystyle \lim_{x\to 1} \dfrac{x^3-2x^2+3x-2}{2x^4-3x+1} \to \dfrac{0}{0}

it means that both polynomials have a root at x=1. So, we can fact both numerator and denominator:

x^3-2x^2+3x-2 = (x-1)(x^2-x+2)

2x^4-3x+1 = (x-1)(2x^3+2x^2+2x-1)

So, the fraction becomes

\dfrac{(x-1)(x^2-x+2)}{(x-1)(2x^3+2x^2+2x-1)} = \dfrac{x^2-x+2}{2x^3+2x^2+2x-1}

Now, as x approaches 1, you have no problems anymore:

\displaystyle \lim_{x\to 1} \dfrac{x^2-x+2}{2x^3+2x^2+2x-1} \to \dfrac{2}{5}

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3 years ago
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Pachacha [2.7K]
I only know 1 & 4 .. 2 & 3 seem hard to me ..
X >7
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3 years ago
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Solve for x in the equation x − 4 = 7.
Feliz [49]

Answer:

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Step-by-step explanation:

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Answer:

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