1. Sophie invested $5,000 into an account that will increase 2.3% each year. Find the value of the investment after 15 years.

2. Sophie invested $5,000 into an account that will increase 2.3% each year. After hour many years will the account have a balance of $10,000? Round to the nearest year.

3. Sophie invested $5,000 into an account that will increase 2.3% each year. How much interest did she earn after 15 years?

1. about 7032.42 dollars

Step-by-step explanation:

The equation would be 5000*(1.23)^15, which would result in the really long number 7032.415298, which would simplify to $7032.42.

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,