Answer:
C
Step-by-step explanation:
Using the rule of radicals
×
⇔
Simplifying each radical before combining them.
=
= ×
= 3
-----------------------------------------------------------------------------
=
= ×
= 5
---------------------------------------------------------------------------
Hence
2(3) - 3(5
= 6 - 15
= - 9 → C
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.