Answer:
There is no doubt that the constant rate of change is 47 in the y-axis (Total Savings) for a new value in the x-axis (Number of weeks). The correct answer is A. 47.
Explanation:
1. Let's review the trend that the graph is showing us:
(0, 0 )
(1, 47)
(2, 94)
(3, 141)
(4, 188)
(5, 235)
(6, 282)
(7, 329)
(8, 376)
(9, 423)
(10, 470)
There is no doubt that the constant rate of change is 47 in the y-axis (Total Savings) for a new value in the x-axis (Number of weeks). The correct answer is A. 47.