Question

Sophia invested some money in a bank at a fixed rate of interest compounded annually. The equation below shows the value of her investment after x years:

f(x) = 500(1.05)x

What was the average rate of change of the value of Sophia's investment from the second year to the fourth year?

14.13 dollars per year

28.25 dollars per year

50.00 dollars per year

56.50 dollars per year

Answer 1

@miss

Answer 2

@Miss.SweetiePie

Answer 3

plug it in f(x)= 500(1.05)2

Answer 4

Don;t I plug in 4 for f(x) ?

Answer 5

hold on let me do it real quick then I will show you

Answer 6

okay

Answer 7

I am not getting any of the answer choices that you have

Answer 8

Same here, I don't understand why.

Answer 9

me either... maybe someone else might know? is this on a study sheet?

Answer 10

no

Answer 11

What is it on?

Answer 12

I'm not sure, but I'm going to try to solve it. Thanks!