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Vlada [557]
3 years ago
10

Evaluate the expression: (–2)2 + (–4)2 + (18 – 23). A. –19 B. 19 C. –17 D. 3

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0

Answer:

c

Step-by-step explanation:

(–2)2 + (–4)2 + (18 – 23) = -4-8-5= -17

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5x

Step-by-step explanation:

1 plus 4 is 5 and everyone is ordering the same thing, which is known as any variable, so in this case, x. So, you get 5x

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4 years ago
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satela [25.4K]

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9+10=21

Step-by-step explanation:

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3 years ago
If f(x) = x2 - 1 and g(x) = 2x - 3, what is the domain of (fog)(x)?
ladessa [460]

Answer:

domain will be ( -∞, ∞)

Step-by-step explanation:

The given functions are f(x) = x² - 1 and g(x) = 2x - 3

We have to find domain of (fog)(x)

We will find the function (fg)(x) first.

(fog)(x) = f[g(x)]

         = (2x - 3)²

         = 4x² + 9 - 12x - 1

        = 4x² - 12x + 8

       = 4 (x² - 3x + 2)

The given function is defined for all values of x.

Therefore, domain will be ( -∞, ∞)

<u>brainly.com/question/2458431</u>

4 0
2 years ago
Do you think inequalities or equations are used more in everyday life? Justify your answer. In your answer include literal equat
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Yes, I do think that inequalities or equations are used more in everyday life.
5 0
3 years ago
Can someone help me
Lynna [10]

Answer:

DOMAIN - 20

RANGE - 10

Step-by-step explanation:

3 0
2 years ago
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