4. Which of the following equations best represents the relationship between x and y?
3. Atile backsplash is being installed. The
installation fee is $150.00. The tile is priced at
$2.75 per square foot, t. Which equation best
represents the total cost, c, of the
backsplash?
A. y = 2x + 4
B. y = 2x - 4
A C = 1501 -2.75
B C = 2.75 - 150
C. y = 4x + 2
C. 02.756 + 150
D. y - 4x-2
DO = 152.751
5. An app developer projects that he will earn
$230.00 for every 100 apps downloaded.
Which of the following equations can be used
to represent the proportional relationship
between the number of apps, x, and the total
earnings, y
6. Based on the information in the table, which
equation can be used to represent the
relationship?
х
5
15
20
25
10
65
Y
40
00
115
140
A. y - 100x + 230
B. y = 230x + 100
A. y = 8x
B. y = 5x + 5
C = 2.30)
D. y = 230x
C. y = 5x + 15
D. Y = 5x + 40