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Otrada [13]
3 years ago
5

Water coming out from a fountain is modeled by the function f(x) = -x2 + 6x + 6 where f(x) represents the height, in feet, of th

e water from the fountain at different times x, in seconds.
What does the average rate of change of f(x) from x = 2 to x = 5 represent?

The water travels an average distance of 4 feet from 2 seconds to 5 seconds.

The water travels an average distance of 1 foot from 2 seconds to 5 seconds.

The water falls down with an average speed of 2 feet per second from 2 seconds to 5 seconds.

The water falls down with an average speed of 1 foot per second from 2 seconds to 5 seconds.
Mathematics
2 answers:
Pepsi [2]3 years ago
6 0
The answer to this question is:

D: The water falls down with an average speed of 1 foot per second from 2 seconds to 5 seconds.
Firdavs [7]3 years ago
3 0
F(x) = -x^2 + 6x + 6

where f(x) represents the height, in feet, of the water from the fountain at different times x, in seconds

rate of change of a distance is speed
at x=5, distance = 11
at x=2, distance = 14
so average rate of change = (14-11)/(5-2) = 1
so ans is D
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Citrus2011 [14]

Answer:

a_{61}=-972

Step-by-step explanation:

<u>Arithmetic Sequences</u>

The arithmetic sequences are identified because any term n is obtained by adding or subtracting a fixed number to the previous term. That number is called the common difference.

The equation to calculate the nth term of an arithmetic sequence is:

a_n=a_1+(n-1)r

Where

an = nth term

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r   = common difference

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We are given the first terms of a sequence:

-12, -28, -44,...

Find the common difference by subtracting consecutive terms:

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The first term is a1 = -12. Now we calculate the term n=61:

a_{61}=-12+(61-1)(-16)

a_{61}=-12-60*16=-12-960

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6 0
2 years ago
The star Alpha Centauri is approximately 40653230000000 kilometres from earth,write this number in standard form to 3 significan
almond37 [142]
4.065323 × 10^13
Hope this helps!
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8 0
3 years ago
After allowing 20% discount on the marked price with 13%
saveliy_v [14]

<u>Answer:</u>

The marked price of the article is 22,600

<u>Explanation: </u>

Given, selling price of an article SP = Rs. 18080

To calculate marked price MP, the formula used is  

\mathrm{SP}=\mathrm{MP}\left(1-\frac{D \%}{100}\right)

Discount D = 20%

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18080=\mathrm{MP}\left(\frac{4}{5}\right)

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MP = Rs. 22,600

Therefore the marked price of the article is 22,600

6 0
3 years ago
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