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Wittaler [7]
3 years ago
6

Functions can be defined using graphs, tables, and ordered pairs. Define the domain and range of a function.

Mathematics
2 answers:
LuckyWell [14K]3 years ago
8 0

Answer:

The domain is the input and the ramge is the output.

Domain = x Range = y

You cant say that the domain/range is ALL NUMBERS you can only say it is and x/y value.

Input = x. Output = y

Step-by-step explanation:

Harrizon [31]3 years ago
3 0
The domain is the input and the ramge is the output.

Domain = x Range = y

You cant say that the domain/range is ALL NUMBERS you can only say it is and x/y value.

Input = x. Output = y
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If a number is doubled, and 16 is added to it, the resault is 40. what is the number
Sphinxa [80]

Answer:

The number is 12

Step-by-step explanation:

Let x = number

2x+16 = 40

Subtract 16 from each side

2x+16-16 =40-16

2x = 24

Divide by 2

2x/2 =24/2

x = 12

8 0
3 years ago
Three people spend $22.50 on large popcorns and soft drinks. They go back the next week and each pay $8.00 for each ticket, they
kakasveta [241]

Answer:

Cost of each large soft drink is $3.00 and Cost of each Large bucket of popcorn is $4.50.

Step-by-step explanation:

Let the Cost of each large soft drink be x.

Also Let the Cost of each Large bucket of popcorn be y.

Number of people = 3

Money Spend on popcorn and soft drink = $22.50

Hence we can say that;

3x+3y=22.50 \ \ \ \ equation \ 1

Next week three people traveled again.

Each ticket was bought = $8.00

Number of tickets bought = 3

Money spend on tickets = 8\times3 = \$24

Total return trip = $37.50

Also they each get a large soft drink, but they share one large bucket of popcorn

Cost of Soft drink = 3x

Cost of popcorn = y

Now Total return trip is equal to sum of Money spend on tickets  and Cost of soft drink and Cost of popcorn.

Hence equation can be framed as;

24+3x+y=37.50\\3x+y=37.50-24\\3x+y = 13.50 \ \ \ \ eqaution \ 2

Now Subtracting equation 2 from equation 1 we get;

(3x+3y)-(3x+y)=22.50-13.50\\\\3x+3y-3x-y=9\\\\2y= 9\\\\y=\frac{9}{2}=\$4.50

Now substituting the value of y in equation 1 we get;

3x+3y=22.50\\\\3x+3\times4.50=22.50\\\\3x+13.50=22.50\\\\3x=22.50-13.50\\\\3x= 9\\\\x=\frac{9}{3}=\$3.00

Hence Cost of each large soft drink is $3.00 and Cost of each Large bucket of popcorn is $4.50.

7 0
2 years ago
Write down in terms of n, an expression for the nth term
Scilla [17]

Answer:

{ \bf{(a).}} \\ { \tt{ {n}^{th}  = a + (n - 1)d }} \\ { \tt{ {n}^{th} = 6 + (n - 1)  \times - 4 }} \\  {n}^{th}  =  10 - 4n \\  \\ { \bf{(b).}} \\ { \tt{ {n}^{th}  =  - 8 + (n- 1) \times - 7 }} \\ { \tt{ {n}^{th}  =  -1 - 7n}}

3 0
2 years ago
Look at pic pleaseujjjjj
densk [106]
It’s gonna be less than 50 percent bc the majority gets warm
7 0
2 years ago
PLS HELP ME THIS IS DUE RIGHT NOW AND I NEED HELP.
loris [4]

Answer:

40,500

Step-by-step explanation:

90,000 × 55/100

40,500 houses were on sale last summer

7 0
3 years ago
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