Given:
Amount of money in Tereka’s account :
Amount of money in Emma’s account :
To find:
The difference between initial amounts Tereka and Emma deposit.
Solution:
Substitute x=0 in the given functions, to get the initial amount of money they deposit.
So, the initial amount Tereka deposit is $472.
So, the initial amount Emma deposit is $485.
Difference between the initial amounts Tereka and Emma deposit is
Therefore, the difference between initial amounts Tereka and Emma deposit is $13. Emma deposit $13 more than Tereka.