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harina [27]
2 years ago
5

State the domain of each function using interval notation pls show ur work!!

Mathematics
1 answer:
Serggg [28]2 years ago
5 0

Answer:

(-∞ , -6] ∪ [6 , +∞)

Step-by-step explanation:

<u>Let D be the domain of f </u>.

D = {x ∈ IR ; where  x² - 36 ≥ 0}

x² - 36 ≥ 0

⇔ x² ≥ 36  

⇔ x² ≥ 6²

⇔ √(x²) ≥ √(6²)

⇔ |x| ≥ 6

⇔ x ∈ (-∞ , -6] ∪ [6 , +∞)

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What is the slope of the line that contains these points?
kati45 [8]

Answer:

m=-7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from chart.</em>

Point (39, 36)

Point (40, 29)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{29-36}{40-39}
  2. Subtract:                       m=\frac{-7}{1}
  3. Divide:                          m=-7
8 0
3 years ago
Read 2 more answers
What is CBY I got it wrong ​
11Alexandr11 [23.1K]

Answer:

CBY Stands for Cry Baby Yodleman

Step-by-step explanation:

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4 0
3 years ago
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Bezzdna [24]
The answer is 320,000,000 check photo for work

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Consider the point P = (3,8) and the line L, given by the equation y = 3x -4.
Fofino [41]

Answer:

A parallel y = 3x-1

B perpendicular y = -1/3x+9

Step-by-step explanation:

y = 3x-4 is written in slope intercept form  (y=mx+b) so the slope is 3.

A.  If the lines are parallel they have the same slope

m parallel is 3

Using point slope form

y-y1 = m(x-x1)

y-8 = 3(x-3)

Distribute

y-8 = 3x-9

Add 8 to each side

y-8+8 = 3x-9+8

y = 3x-1

This is slope intercept form

B If we want perpendicular lines, the slope is the negative reciprocal

m perpendicular is -(1/3)  = -1/3

Using point slope form

y-y1 = m(x-x1)

y-8 = -1/3(x-3)

Distribute

y-8 = -1/3x+1

Add 8 to each side

y-8+8 = -1/3x+1+8

y = -1/3x+9

This is slope intercept form

3 0
3 years ago
2. ĐỊNH THỨC<br> 2.1. Giải phương trình:<br> 2 3 1<br> 1 2 4 8 0<br> 1 3 9 27<br> 1 4 14 64
Black_prince [1.1K]

Answer:

Step-by-step explanation:

Uhm the third one number 3

8 0
3 years ago
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