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const2013 [10]
3 years ago
11

How many values of x must be excluded in the expression x-2/(x+9)(x-5)?

Mathematics
2 answers:
Tasya [4]3 years ago
7 0
Two because she nice the bottom is factor that means the degree of the expression is 2 because you’ll get x^2 if you multiply it out
nikitadnepr [17]3 years ago
6 0

Answer: The correct answer is 2

Step-by-step explanation:

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For each situation, identify the independent and dependent variables. Write a function in function notation. Then use the functi
bekas [8.4K]
F(x) = 50x

independent variable = x
dependent variable = f(x)

f(x) = 50x......find f(6)
f(6) = 50(6)
f(6) = 300
3 0
3 years ago
7.<br> Evaluate f(x) = -2x - 5 for x = 3.<br><br> A. 1<br><br> B. 11<br><br> C. –6<br><br> D. –11
Yuliya22 [10]
I think the answer is d. -11

Explanation:

Replace the variable x with 3 in the expression.
f(3)=-2•3-5

Multiply -2 by 3
f(3)=-6 -5

Subtract 5 from -6
f(3)= -11

Then the answer should be -11.
4 0
3 years ago
For problems 1, 2, and 3, use the function g(x) = sin(6x) .
Fantom [35]

Step-by-step explanation:

1. Amplitude = 1.  g(x) = 1 sin(6x).  The coefficient 1 is the amplitude.  The range of the function is -1 \le g(x) \le 1  or, in interval notation, [-1, 1]

2. The period is  \frac{2\pi}{6}=\frac{\pi}{3}.

x-intercepts (at the beginning, middle, and end of the period) 0,\,\frac{\pi}{6},\,\frac{\pi}{3}

Maximum (1/4 of way through period)  \left(\frac{\pi}{12},\,1 \right)

Minimum (3/4 of way through period)  \left( \frac{\pi}{4}, \, -1 \right)

6 0
3 years ago
Arely has 4 fewer than twice as many music files as Valerie. They have a combined number of 86 music files. Which is the number
tankabanditka [31]

Answer:

56 music files

Step-by-step explanation:

From the above question:

Let the number of music files

Arely has = x

Valerie has = y

Arely has 4 fewer than twice as many music files as Valerie.

x = 2y - 4

They have a combined number of 86 music files.

x + y = 86

We substitute 2y - 4 for x in the above equation

2y - 4 + y = 86

3y - 4 = 86

3y = 86 + 4

3y = 90

Divide both sides by 3

3y/3 = 90/3

y = 30

Hence, Valerie has 30 music files.

The number of music files that Arely has is calculated as:

x = 2y - 4

x = 2(30) - 4

x = 60 - 4

x = 56

Arely has 56 music files

8 0
3 years ago
Hi sydney I need help
zvonat [6]
I am not Sydney, but I hope I can answer this question. We know that one sign equals 6 movies, so 18/6=3. B would be your answer.
5 0
3 years ago
Read 2 more answers
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