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Zigmanuir [339]
3 years ago
12

F(x)=x 2 +10f, left parenthesis, x, right parenthesis, equals, x, squared, plus, 10 What is the average rate of change of fff ov

er the interval [-2,-1][−2,−1]open bracket, minus, 2, comma, minus, 1, close bracket?
Mathematics
2 answers:
Sidana [21]3 years ago
5 0

Answer:

Is.D [−1,2]

Step-by-step explanation:

pav-90 [236]3 years ago
3 0

Answer:

Average rate of change=-3

Step-by-step explanation:

The average rate of change is given by the relation between the values of f(x) and x, in two different points as follows:

Change=\frac{f(x_{2})- f(x_{1})}{x_2-x_1}

In this case, x_{1}=-2; x_{2}=-1

Therefore,

Change=\frac{((-1)^{2}+10) -((-2)^{2}+10)}{-1-(-2)}=\frac{11-14}{1}=-3

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Given that y is directly proportional to x. If y = 30 and x= 5, write an equation that connects y with x.
Licemer1 [7]

Given:

y is directly proportional to x.

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To find:

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Solution:

It is given that, y is directly proportional to x. So,

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y=kx                     ...(i)

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We have, y=30 when x=5. Substituting these values in (i), we get

30=k(5)

Divide both sides by 5.

\dfrac{30}{5}=k

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Substituting k=6 in (i), we get

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2 years ago
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Answer:

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Hello,

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