Our class is going on a field trip. Our class had
2 answers:
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Answer:
From <u>fourth</u> month onwards, the growth rate of is greater than that of
.
Step-by-step explanation:
Given:
The growth rates of both bank accounts are given as:
Now, as per question, we need to find the value of 'x' when the value of . Or,
Now, we can do this by checking the values of 'x' by hit and trial method.
Let . The inequality becomes:
Let . The inequality becomes:
Let . The inequality becomes:
Let . The inequality becomes:
Therefore, the value of 'x' for which is 4.
So, from the fourth month onwards, the balance in becomes greater than
.
The graphical solution is shown below to support the same.
From the graph, we can conclude that after the 'x' value equals 3.4, the graph of lies above of
. Hence,
for
