The population of a town was 5000 in 2010. The population grows at a rate of 1.4% annually.
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The function the represent the balance in the account as a function of time t is p(t) = 1000 + 40t
<h3><u>Solution:</u></h3>Given that,
Carmen deposits $1000 into simple interest account
The rate for the account is 4%
To find: function the represent the balance in the account as a function of time t
Given is simple interest account
The formula for simple interest is given as:
Where, "p" is the principal and "r" is the rate of interest and "t" is the number of years
In simple interest,
total amount after "t" years = principal + simple interest
Here in this question, Carmen deposits $1000
Thus we can frame a function as:
total amount after "t" years = principal + simple interest
Where, p(t) is the amount after "t" years and is the principal sum
Thus the function is obtained
Answer:
Step-by-step explanation:
Given
Direct variation implies that:
Where k is the constant of variation.
Required
Find y when
Make k the subject
For:
For:
becomes
Substitute
Make y the subject