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sergiy2304 [10]
3 years ago
7

How to determine if an equation is a function?

Mathematics
1 answer:
icang [17]3 years ago
6 0
An equation is a function if its like x to the second power or in other words In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. An example is the function that relates each real number x to its square x2
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Identify the set of X-values for which f(X) is greater than or equal to 0.
Allushta [10]

The given function is greater than or equal to 0 for the interval given as follows:

{x | x ≤ -3 or -1 ≤ x ≤ 0 or x ≥ 2}.

<h3>When a function is positive and when it is negative?</h3>

  • A function is positive when it is above the x-axis.
  • A function is negative when it is below the x-axis.

For this problem, with a closed interval, we have that the function is above for:

x ≤ -3, -1 ≤ x ≤ 0, x ≥ 2.

Hence the interval notation is:

{x | x ≤ -3 or -1 ≤ x ≤ 0 or x ≥ 2}.

More can be learned about functions at brainly.com/question/24808124

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1 year ago
Simplify the expression and show your work. 4y+5=-31
kondor19780726 [428]
4y +5=-31 \\ &#10;4y+5-5 = 31-5 \\ &#10;4y=-36 \\ &#10;4y/4=-36/4 \\ &#10;y=-9 \\ &#10;Check: \\ &#10;4(-9)+5=-31 \\ &#10;-36+5=-31 \\ &#10;-31=-31
3 0
3 years ago
Question 10: 5 ÷ 5 + 4 × 12
kirill115 [55]
45
5 divided by 5 equals 1
1 plus 4 equals 5
5 times 12 equals 45
6 0
2 years ago
Read 2 more answers
T
Rus_ich [418]

Answer:

OA

Step-by-step explanation:

yax2;

12+34+5+6=21 so y2+35

4 0
2 years ago
Find the circumference of the circle if the square has an area of 144 m. Give your answer to the nearest tenth. Use 3.14 for pie
frez [133]
Answer:

The circumference is 42.54
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