Answer: f(s) = 25m + 263.
Step-by-step explanation:
This is an example of a linear equation, which can be written in the form:
y= mx+b
f(x) = mx+b
f(s) = 25m + 263.
or just s=25m + 263 if that's what the answer format should be
Where the amount of savings is equal to 25 dollars per month plus the original amount of money saved.