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monitta
3 years ago
12

a graph represents a relation that is also a function if only and if every ___ intersects the graph ___ once

Mathematics
1 answer:
hoa [83]3 years ago
3 0

Answer:

A graph represents a relation that is also a function if only and if every vertical line intersects the graph at most once.

Step-by-step explanation:

The vertical line test should be used to get an idea about the nature of a graph whether it represents a function or not. A vertical line must not intersect the graph multiple times as it would violate the definition of a function.

If a vertical line intersects the graph multiple times, it means the graph is having the same repeated inputs, which is against the definition of a function. A function can not have repeated input values.

Thus, we conclude that a graph represents a relation that is also a function if only and if every vertical line intersects the graph at most once.

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Use the discriminant to determine the number of real solutions to the quadratic equation.
MAVERICK [17]

Answer:

12x2+12x+1=0

Step-by-step explanation:

well first you need to add all the x's and add your additional numbers, keep all +'s signals and then minuse the addition numbers which makes your anserw negitive and then divide your ansew by your x.

3 0
3 years ago
Write a description of the rule (x, y) = (x - 4, y + 3).
storchak [24]

9514 1404 393

Answer:

  translate 4 left and 3 up

Step-by-step explanation:

The value added to the x-coordinate is the translation to the right. Here, it is -4, so the translation is 4 units left.

The value added to the y-coordinate is the translation up. Here, it is +3, so the translation is 3 units up.

The rule effects a translation 4 units left and 3 units up.

4 0
3 years ago
Please help with 1 question thank you.
frosja888 [35]
Let's replace the first, second, third, and home with letters.
first base = F
second base = S
Third base = T
home base = H
We have two triangles, ΔHTS and ΔHFS
We know HS = HS because it's a shared side.
We know FS = TS
We know that ∠HST and ∠HSF are equal.
Because of SAS, the two triangles are congruent.

According to CPCTC, TH must be congruent to FH.
Thus, the distance from home plate to third base and the distance from home plate to first base must be the same.

Have an awesome day! :)
7 0
4 years ago
A teacher wrote the following set of numbers on
Rama09 [41]

Answer:

Did you copy this down correctly?

Step-by-step explanation:

b = .125 which is rational

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If c = 225....

then adding 2 rational numbers = rational sum

But adding (or multiplying) an irrational number to a rational number = irrational number.

6 0
3 years ago
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natima [27]

Answer: its b

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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