The rate of change will be $150 every week.
Kenny bank balance = $1,400,
Earning from afterschool job = $150,
Total Bank Balance equation at end of any week can be given by the equation,
[tex]y = mx+c[/tex]
where,
y = Total Bank Balance
m = rate of change of bank balance = $150 /week
x = Number of weeks
c = Kenny's initial bank balance = $1,400
As we can see that the balance will continuously increase by the rate of $150 every week.
Hence, the rate of change will be $150 every week.
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