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Mars2501 [29]
2 years ago
14

What’s the correct answer for this question?

Mathematics
1 answer:
Slav-nsk [51]2 years ago
7 0

Answer:

A.

Step-by-step explanation:

In the attached file

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The average value of a function f over the interval [−2,3] is −6 , and the average value of f over the interval [3,5] is 20. Wha
Xelga [282]

Answer:

The average value of f over the interval [-2,5] is \frac{10}{7}.

Step-by-step explanation:

Let suppose that function f is continuous and integrable in the given intervals, by integral definition of average we have that:

\frac{1}{3-(-2)} \int\limits^{3}_{-2} {f(x)} \, dx = -6 (1)

\frac{1}{5-3} \int\limits^{5}_{3} {f(x)} \, dx = 20 (2)

By Fundamental Theorems of Calculus we expand both expressions:

\frac{F(3)-F(-2)}{3-(-2)} = -6

F(3) - F(-2) = -30 (1b)

\frac{F(5)-F(3)}{5-3} = 20

F(5) - F(3) = 40 (2b)

We obtain the average value of f over the interval [-2, 5] by algebraic handling:

F(5) - F(3) +[F(3)-F(-2)] = 40 + (-30)

F(5) - F(-2) = 10

\frac{F(5)-F(-2)}{5-(-2)} = \frac{10}{5-(-2)}

\bar f = \frac{10}{7}

The average value of f over the interval [-2,5] is \frac{10}{7}.

4 0
2 years ago
Please answer as many as you can.
dimaraw [331]

Answer: okay so your problems are like 10000000k through  out resons of dum. so x=-1. is a little wrong becayse the x = into a 1 so  you make the 1 that factor. so thats why answer for 2.5

Step-by-step explanation:

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3 years ago
Arrange the steps to solve this system of linear equations in the correct sequence x+y=-2 2x-3y=-9
balu736 [363]

there you go the correct ans

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3 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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Sarah has 128 stickers. alex has 10 fewer stickers than sarah. how many stickers does Alex have.
nikitadnepr [17]
To get your answer you first subtract 10 from 128 which is 118.
4 0
3 years ago
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