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katen-ka-za [31]
3 years ago
13

Find an equation of the line that satisfies the given conditions. Through ​(0.4​,0.2); vertical

Mathematics
1 answer:
Eddi Din [679]3 years ago
5 0
Vertical lines crosses the x axis and is given by x = x1
Required equation is x = 0.4
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A company estimates that it will sell ????(x) units of a product after spending x thousand dollars on advertising, as given by ?
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Answer:

(11\frac{1}{3},20)

Step-by-step explanation:

If the Number of Sales of x units, N(x) is defined by the function:

N(x)=-5x^3+235x^2-3400x+20000,10\leq x\leq 40

N'(x)=-15x^2+470x-3400\\When -15x^2+470x-3400=0\\x=20, x=11\frac{1}{3}

Next, we text the critical points and the end points of the interval to see where the derivative is increasing.

N'(10)=-200\\N'(11\frac{1}{3})=0\\N'(19)=115\\N'(20)=0\\N'(40)=-8600

Thus, the rate of change of sales N'(x) is increasing in the interval (11\frac{1}{3},20) on 10≤x≤40.

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Ms. Lin’s son likes to lift weights. He was lifting 125 pounds last year. This year he can lift 35 more pounds. How much weight
katrin [286]

Answer:

He can lift 160 pounds

Step-by-step explanation:

125 (from last year) + 35 (more pounds) = 160 (total pounds)

125 + 35 = 160

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Step-by-step explanation:

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11,494.0³

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= 11,494.0³

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