It's 9. Take 81/9 and that equals nine
Answer:
1260.04
Step-by-step explanation:
The formula for compound interest is:
A = P(1+
where A is the final amount, P is the initial principal balance, r is the interest rate, n is the number of times interest applied per time period and t is the number of time periods elapsed. Since the deposit was compounded annually, just like the interest, we can omit the n in the equation.
Applying the formula to question:
800(1+
= 1260.04 (rounded off to nearest cent since it's money)
Answer:

Step-by-step explanation:
To find the inverse function, switch the y and x
becomes
.
Now, rearrange so that the equation is equal to y.

Hope this helps!
Answer:
x=7 1/6
Step-by-step explanation: