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9966 [12]
4 years ago
13

What is the domain of f(x)=2(x+3)^2-8

Mathematics
1 answer:
nevsk [136]4 years ago
3 0
F(x) = 2(x + 3)² - 8 - it's a quadratic function

The domain of the quadratic function is equal all real numbers.
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I need to figure this out for a quiz in APEX. I can get the rest if I understand how to do this one.
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The answer is b
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3 years ago
Kim is drawing a map of the different schools in her school district. she knows that her middle school is 10.6 miles away from t
romanna [79]

The distance between the two schools on the map is (C) 4.2 inches.

<h3>What is the distance?</h3>
  • Distance is a numerical measurement of the distance between two objects or places.
  • The distance can refer to a physical length or an estimate based on other criteria in physics or common usage.
  • The distance between two points A and B is commonly expressed as |AB|.

To find the distance:

On the map,2 inches represents 5 miles.

Thus, we can write:

  • 2 miles = 2 inches
  • 1 mile = 2/5 inches ..... (1)

Since the actual distance between the two schools is 10.6 miles.

Multiplying both sides by 10.6 in equation (1).

  • 10.6 miles = 10.6 × 2/5 = 21.2/5 = 4.24 inches.

Therefore, the distance between the two schools on the map is (C) 4.2 inches.

Know more about distance here:

brainly.com/question/17273444

#SPJ4

The complete question is given below:
Kim is drawing a map of the different schools in her school district. she knows that her middle school is 10.6 miles away from the middle school that her best friend attends. if every 2 inches on the map represents 5 miles, how far apart will the two schools be on the map, to the nearest tenth of an inch?

(A) 0.2 inch

(B) 0.9 inch

(C) 4.2 inches

(D) 26.5 inches

3 0
1 year ago
12(x - 2) + 3x = 13(x + 12) + 10x
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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<span>The slope of a line is defined as the rate of change on the vertical axis, divided by the rate of change on the horizontal axis, Δy/Δx. So for a horizontal line, the rate of change on the y axis is zero, this means that it's slope will be 0/Δx and for vertical line, x-axis does not change, which make the denominator 0 Δy/0.</span>
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