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Lapatulllka [165]
3 years ago
10

Let ​ f(x)=x2+6x+11​. What is the average rate of change from x = 5 to x = 8?

Mathematics
2 answers:
svlad2 [7]3 years ago
7 0

Answer: the answer is 19

Step-by-step explanation:

Korvikt [17]3 years ago
6 0
Plug 8 into the equation and divide it by that equation but with 5 plugged in

\frac{ {8}^{2} + 6(8) + 11}{ {5}^{2} + 6(5) + 11 }
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Write a definite integral that represents the area of the region. (Do not evaluate the integral.) y1 = x2 + 2x + 3 y2 = 2x + 12F
Svet_ta [14]

Answer:

A = \int\limits^3__-3}{9}-{x^{2}} \, dx = 36

Step-by-step explanation:

The equations are:

y = x^{2} + 2x + 3

y = 2x + 12

The two graphs intersect when:

x^{2} + 2x + 3 = 2x + 12

x^{2} = 0

x_{1}  = 3\\x_{2}  = -3

To find the area under the curve for the first equation:

A_{1} = \int\limits^3__-3}{x^{2} + 2x + 3} \, dx

To find the area under the curve for the second equation:

A_{2} = \int\limits^3__-3}{2x + 12} \, dx

To find the total area:

A = A_{2} -A_{1} = \int\limits^3__-3}{2x + 12} \, dx -\int\limits^3__-3}{x^{2} + 2x + 3} \, dx

Simplifying the equation:

A = \int\limits^3__-3}{2x + 12}-({x^{2} + 2x + 3}) \, dx = \int\limits^3__-3}{9}-{x^{2}} \, dx

Note: The reason the area is equal to the area two minus area one is that the line, area 2, is above the region of interest (see image).  

3 0
3 years ago
I need help again please
babymother [125]
There are 8 pints in a gallon. It will take 10 days to drink 1 5-gallon container.
30 / 10 = 3
He will drink 3 containers. Hope this helped :)

3 0
3 years ago
Read 2 more answers
A music club charges an annual membership of $35.65 plus $12.99 for each CD purchased. If Naomi's total bill for the year was 17
Luden [163]

Answer:

Step-by-step explanation:

178.54-35.65=142.89

then you do 142.89/12.99=11

She bought 11 CDs

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2 years ago
Sally bought six pencils and three folders for 3.90. Henry bought two pencils and five folders for 3.30. Eric wants to buy the s
yulyashka [42]
He can buy 500 pencils
3 0
3 years ago
Please help i am stuck please
anzhelika [568]

Answer:

it is D

Step-by-step explanation:

3 0
3 years ago
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