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DIA [1.3K]
3 years ago
7

Dorian posted two online videos on the same day.

Mathematics
2 answers:
vaieri [72.5K]3 years ago
7 0
Hi how do I answer hi how do I answer
Maslowich3 years ago
7 0

Answer: the answer is (The rate of change for the function for video A is constant, but the rate of change for video B is not constant.) So C.

Step-by-step explanation: We’re in the same class and I got this question right so your welcome :)

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Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.
wlad13 [49]

Answer:

\frac{dy}{dx}=\frac{x(1-2lnx)}{x^{4}}

Step-by-step explanation:

To solve the question we refresh our knowledge of the quotient rule.

For a function f(x) express as a ratio of another functions u(x) and v(x) i.e

f(x)=\frac{u(x)}{v(x)}\\, the derivative is express as

\frac{df(x)}{dx}=\frac{v(x)\frac{du(x)}{dx}-u(x)\frac{dv(x)}{dx}}{v(x)^{2} }

from y=lnx/x^{2}

we assign u(x)=lnx and v(x)=x^2

and the derivatives

\frac{du(x)}{dx}=\frac{1}{x}\\\frac{dv(x)}{dx}=2x\\.

Note the expression used in determining the derivative of the logarithm function.it was obtain from the general expression of logarithm derivative i.e y=lnx\\\frac{dy}{dx}=\frac{1}{x}

If we substitute values into the quotient expression we arrive at

\frac{dy}{dx}=\frac{(x^{2}*\frac{1}{x})-(2x*lnx)}{x^{4}}\\\frac{dy}{dx}=\frac{x-2xlnx}{x^{4}}\\\frac{dy}{dx}=\frac{x(1-2lnx)}{x^{4}}

8 0
2 years ago
WILL GIVE ALOT OF POINTS HELP FAST One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant
den301095 [7]

Answer:

4.4

Step-by-step explanation:

16.8 was for 4 hour

divide 4 by 16.8

you get 4.2 per hour

so you need 1 hour

1 hour would be 4.2

temp would be -4.2 at 9pm

4 0
3 years ago
Read 2 more answers
Which statements are true?
djyliett [7]

Answer:

All Triangles are closed figure polygons that have three straight sides

Step-by-step explanation:

All 2D shapes are plane figures so this one is false. Three right angles are greater than 180 so this is fake. Polygon and closed figures are shapes with three or more closed sides. And triangles have straight sides.

3 0
2 years ago
Winnie has 7 trophies she wants to display in an array.How many different arrays are possible? Explain.
Rama09 [41]
5,040 I think because 7•6•5•4•3•2•1=5040
6 0
2 years ago
Read 2 more answers
Please help me with the answer!! There is the picture of the problem^
Gnoma [55]

Answer:

6

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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