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3 years ago

G(x)=−x−2, find g(1)

Mathematics

1 answer:

Lana71 [14]3 years ago

5 0

Answer:

g(1) = -3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

g(x) = -x - 2

g(1) is x = 1

Step 2: Evaluate

Substitute in x: g(1) = -1 - 2
Subtract: g(1) = -3

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Express as a trinomial. (3x + 7)(3x – 9)

Evgesh-ka [11]

Answer:

9x² - 6x - 63

Step-by-step explanation:

Use the FOIL method. FOIL stands for First, Outside, Inside, Last.

Multiply following the FOIL:

3x * 3x = 9x²

3x * -9 = -27x

7 * 3x = 21x

7 * -9 = -63

9x² - 27x + 21x - 63

Combine like terms.

9x² (-27x + 21x) - 63

9x² - 6x - 63

9x² - 6x - 63 is your answer.

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3 years ago

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Which equation best represents the model?

igor_vitrenko [27]

C is the the answer. Hope this helped

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3 years ago

can you help me understand this? In the number 7,725, which places contain digits where one digit is ten times as great as the

vampirchik [111]

You can break this down pretty easily (though I know it sounds confusing). First, you seperate all of the digits:
7,725 -> 5, 20, 700, and 7,000

Now, which ones have a difference of a factor of 10? Well, 700 * 10 = 7,000, so the answer would be: The hundredths place. Hope I helped!

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3 years ago

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Suppose we take the interval [−5,7] and divide it into 4 equal subintervals. Find the width Δn of each subinterval. Δn = If we n

lana66690 [7]

Answer:

$x_0=-5\\x_1=-2\\x_2=1\\x_3=4\\x_4=7$

Δn=3

Step-by-step explanation:

Remember, if we need to divide the interval (a,b) in n equal subinterval, then we need divide the distance (d) between the endpoints of the interval and divide it by n. Then the width Δn of each subinterval is d/n.

We have the interval [-5,7]. The distance between the endpoints of the interval is

$d=7-(-5)=12$ .