SOLUTION: Eliza started her savings account with $100. Each month she deposits $25 into her account. Determine the average rate of change in Eliza's account from the 2nd month to the 10th mo

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Eliza started her savings account with $100. Each month she deposits $25 into her account. Determine the average rate of change in Eliza's account from the 2nd month to the 10th mo      Log On


   

Question 1134541: Eliza started her savings account with $100. Each month she deposits $25 into her account. Determine the average rate of change in Eliza's account from the 2nd month to the 10th month. Show all work for full credit.


Answer by mathsolverplus(88) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=100%2B25x
Average rate of change: %28f%2810%29-f%282%29%29%2F%2810-2%29
= %28100%2B250-%28100%2B50%29%29%2F%2810-2%29
= 200%2F8
= $25/month
A simpler approach will be asking yourself how much does she deposit per month?
Isn't just $25?


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