145k views
5 votes
A teacher orders school supplies by the pound.

A flat fee of
$
15.25
plus
$
3.45
per pound of supplies ordered is added to the bill to cover the shipping cost.
The teacher budgets
$
49.75
for the shipping cost.
Which list of values best represents the entire domain for shipping,
f
(
x
)
, as a function of the number of whole pounds of school supplies the teacher can order,
x
?


{
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
}

{ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 }

{
0
,
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
}

{ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 }

{
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
,
11
,
12
}

{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 }

{
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
,
11
,
12
,
13
,
14
}

{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 }

User KBH
by
5.0k points

1 Answer

5 votes

Answer: 10

Explanation:

I did the math, also not to be rude but stop using so many 'enter' commands

User Andreas Haferburg
by
4.4k points