Answer:
It’s A
Step-by-step explanation:
$40 per week
Step one:
Given data
the initial amount is = $100
the total amount= $500
let the number of weeks be x
Step two:
The expression for the scenario is
From the expression above, the rate of the change is $40 per week.
this means that in every week the account will be increased by $40
-4+2
= -2
Hope it helped!