Answer:
f(3) = 7
Step-by-step explanation:
Set x equal to 3
2(3) + 1
7
According to my test it is 9 so it should be right
Answer:
6
Step-by-step explanation:
5+1
a negative and a negative make a positive.
=6
Answer:
She needs to invest $13,636.36 right now
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
In this question:
In 15 years, so
She wants to have $30,000, so
8% interest, so
We have to find P.
Replacing:
She needs to invest $13,636.36 right now
Answer:
x^6
Step-by-step explanation: