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never [62]
4 years ago
13

Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a function), o

r neither (if the set is not a relation). A = {(1, 2) (2, 2) (3, 2) (4, 2)}
relation
function
neither
Mathematics
2 answers:
gavmur [86]4 years ago
5 0

Answer:

B. Function.

Step-by-step explanation:

We have been given a set. We are asked to choose the correct option about the given set.

We know that a set represents a relation, when each x value corresponds to a y-value. In a relation one x-coordinate can have more than one y-values.

We know that a set represents a function, where each x-value corresponds to exactly one y-value.

Two different value can have same y-value to be a function.

We can see that each value of x corresponds to exactly one y-value. The value of y is 2 for all value of x, therefore, all points lie on a horizontal line y=2.

Therefore, our given set a function.

kirill [66]4 years ago
3 0

Answer:

B. Function.

Step-by-step explanation:

We have been given a set. We are asked to choose the correct option about the given set.

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Lance bought 12 quarts of lemonade so that everyone who came to his party could have exactly 1/3 quart. How many people did Lanc
igor_vitrenko [27]

Lance invited 36 people to his party.

<u>Step-by-step explanation:</u>

It is given that,

  • Lance bought 12 quarts of lemonade.
  • Everyone who came to his party could have exactly 1/3 quart.

We know that,

The total quarts of lemonade available for the party = 12

Each person in the party consumes = 1/3 quart.

We need to find out how many people did Lance invited to his party.

<u>To find the number of people :</u>

Let us consider 'x' be the number of people invited to the party.

Total lemonade = number of people × lemonade for each person.

⇒ 12 = x × 1/3

⇒ 12×3 = x

⇒ x = 36 people

Therefore, Lance invited 36 people to his party.

6 0
3 years ago
maxine took out a loan for $3200 at 8% interest, compounded annually. if she makes yearly payments of $250, will she ever pay of
UkoKoshka [18]

Solution:

As per the problem

Maxine took out a loan for $3200 at 8% interest, compounded annually.

she makes yearly payments of $250.

she will be able to Payoff her loan iff yearly payments made is greater than yearly interest.

Interest payable in first year =3200(1+0.08)-3200=3200*1.08-3200\\

Interest payable in first year=3456-3200=256

This payable interest will goes on increasing year on year.

Hence Maxine will never payoff the loan.

4 0
3 years ago
Read 2 more answers
What is a rate in math?
alisha [4.7K]

Answer:

  A rate is a <em>ratio</em> between two related quantities.

Step-by-step explanation:

Often, the rate has associated units. Often, the word "per" is used to separate the quantities of the ratio, as in "miles per hour" or "dollars per gallon". In this context, "per" means "divided by."

If the units of the quantities are the same, they cancel, and the rate is a "pure number" (a number with no units). A tax rate, for example, is some number of dollars per dollar, a pure number, often expressed as a percentage.

___

<em>Unit rates</em>

A "unit rate" is a rate in which one of the quantities is 1 unit. Usually, that is the denominator quantity. A rate that is not a unit rate can be made to be a unit rate by carrying out the division of the numbers.

For example, 3 dollars for 2 pounds ($3/(2#)) is expressed as the unit rate $1.50 per pound.

Some years ago, grocery stores began putting unit rates on price tags so that prices could be compared more easily (at least some of the time). Sometimes the comparison is complicated by different units being used for similar products.

___

<em>Percentages</em>

A percentage is the ratio of similar measurements, expressed with a denominator of 100. ("Cent" means "hundred" in "per cent.") The "/100" in the ratio is generally abbreviated as the symbol "%". Since the ratio is of quantities with similar units, it is a pure number.

Occasionally, you will find the idea of "percent" used to relate quantities that are measured <em>differently</em>. For example, a drug that has a concentration of x mg/(100 mL) may be specified as an x% solution.

The proportion of items of significantly different density may be specified either by weight or by volume. That is a mixture that is x% "by weight" may be y% "by volume" (x≠y). The choice of weight or volume will generally depend on the typical way an amount of the mixture is measured.

8 0
4 years ago
Read 2 more answers
? , xD <br> + ' <br> <br> I am just really really realllllllyyyyyyy b.o.r.e.d.
Tatiana [17]

Answer:

what u wanna do  we could zoom

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP! SEE THE IMAGES BELOW! 30 POINTS
Mkey [24]

Answer:

d for the first and c for the second

Step-by-step explanation:

1. both are solid lines so it is or equal to something. the first line is going down by -3 and crosses the y axis at -3 so it is _>_ - 3x-3

the second line is going down at -1/2 and crosses the y axis at 2 so it is       _<_ -1/2x+2


2. The point where the two lines cross is at (2.5, -6.5)

6 0
4 years ago
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