The graph shows the attendance at a hockey game, and the rate at which the fans enter and exit the arena.
1 answer:
Graphs can be used to model real-world situations
- Segment 8 means: people are leaving the arena
- Segments 5 and 7 represent, intervals where there was no incoming or outgoing fans.
- Segment 6 means a few people left, when the game was going to an end.
Segment 8
From the graph (see attachment), we have the following observations
- Segment 8 is at the second half of the graph
- Segment 8 connects segment 7 and 9 (i.e. from the top, downwards)
The above points imply that:
Fans are leaving the arena at segment 8
Segments 5 and 7
From the graph, segments 5 and 7 are horizontal lines.
This means that:
No entry or exit was observed by the fans, at segments 7 and 5
Segment 6
Segment 6 connects segments 5 and 7, with a short downward line
This means that:
Few people left the arena, at segment 6
See attachment for the graph
Read more about graphs at:
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Answer:
x=-6 is an extraneous solution
Step-by-step explanation:
we have
squared both sides
solve the quadratic equation by graphing
The solution is x=-6 and x=-1
see the attached figure
<u><em>Verify each solution</em></u>
substitute the value of x in the original expression
For x=-6
----> is not true
so
Is an extraneous solution
For x=-1
----> is true
so
Is the solution
To complete the table we must carefully observe the keypad, we will notice that each number is equivalent to 3 letters of the alphabet except the numbers 7 and 9 which have 4 letters each.
<h3>How does the keypad work?</h3>Previously, cell phone keypad had a different layout than today. The numbers were related to the letters of the alphabet and the number key was pressed according to the letters that were related.
For example, if you wanted to type the letter B, you would have to press the number 2 key twice.
The relationship of numbers and letters was distributed as follows:
- It had no letters.
- A, B and C.
- D, E and F.
- G, H and I.
- J, K and L.
- M, N and O.
- P, Q, R and S.
- T, U and V.
- W, X, Y, and Z.
According to the above, the table would be completed as follows.
Note: This question is incomplete because there is some missing information. Here is the missing information:
1. Complete this table to show the relation from letter to number.
Learn more about keypad in: brainly.com/question/1156254
