Which of the following sets of ordered pairs is a functionB {
(
8
,
1
)
,

(
7
,
0
)
,

(
7
,
−
1
)
,

(
8
,
2
)
}
{
(
8
,
1
)
,

(
7
,
0
)
,

(
7
,
−
1
)
,

(
8
,
2
)
}

C
{
(
6
,
1
)
,

(
7
,
3
)
,

(
4
,
2
)
,

(
6
,
2
)
}
{
(
6
,
1
)
,

(
7
,
3
)
,

(
4
,
2
)
,

(
6
,
2
)
}

D
{
(
1
,
3
)
,

(
2
,
4
)
,

(
−
1
,
−
3
)
,

(
−
2
,
−
4
)

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

explanation:

step-by-step explanation: