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Wewaii [24]
3 years ago
5

Can someone help me with question e please ? ​

Mathematics
1 answer:
MAXImum [283]3 years ago
6 0

Answer:

Step-by-step explanation:

a) The domain is R- all real numbers.

b) The domain is R- all real numbers.

c) we need

x^{2}-4\neq  0\\x^{2} \neq 4\\x\neq 2\\and\\x\neq -2

So the domain is R\{-2, 2}

d)

we need

x^{2}+x-2\neq  0\\x\neq 1\\and\\x\neq -2

So the domain is R\{-2, 1}

e)

we need: x-1>0 or x> 1

So the domain is (1,+∞)

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Which value of the x is in the solution set of the following inequality -x+8>6
vfiekz [6]
The answer would be 1
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2 years ago
Suppose we want to choose 5 objects, without replacement, from 15 distinct objects.
goblinko [34]

15444 ways we can choose 5 objects, without replacement, from 15 distinct objects.

Given that, suppose we want to choose 5 objects, without replacement, from 15 distinct objects.

<h3>What is a permutation?</h3>

A permutation is a mathematical calculation of the number of ways a particular set can be arranged, where the order of the arrangement matters.

Now, 13P_{5}= 13!/(13-5)!

= 13!/8! = 13x12x11x10x9= 1287 x 120 = 15,444

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2 years ago
Find the average rate of change of the function from <img src="https://tex.z-dn.net/?f=x_%7B1%7D" id="TexFormula1" title="x_{1}"
meriva

Hi there!

\large\boxed{\text{Average rate} = 2}

Use the following equation to solve:

\text{Average rate} = \frac{f(x_{2}) - f(x_{1})}{x_{2} - x_{1}}

Solve for the y-values of the equation at the given x values:

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Plug  the solved values into the equation:

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Simplify:

\text{Average rate} = \frac{8}{4} = 2

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2 years ago
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Fudgin [204]

Answer:

Step-by-step explanation:

Use the midpoint formula: \frac{ChangeInX}{2} ,\frac{ChangeInY}{2}

So, the Change In X is 2-8 = -6

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Once you divide both of the changes by 2, you get

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4 0
3 years ago
Please help me with this question and thank you so much for your help ​
melisa1 [442]

Answer:

CosC=0.99

Step-by-step explanation:

Cos C =adjacent /Hypothenus

=36/45

=0.99

7 0
2 years ago
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