The function f(x)=1200(1.055)x models the balance of an investment x years after it is made. how does the average rate of change between years 21 and 25 compare to the average rate of change between years 1 and 5?

option-B

Step-by-step explanation:

We are given function as

Average rate of change between 21 and 25 years:

we can use formula

so, we have

a=21 and b=25

now, we can plug values

Average rate of change between 1 and 5 years:

we can use formula

so, we have

a=1 and b=5

now, we can plug values

now, we can find ratio

$97520

step-by-step explanation:

add 6% to the value she got from selling the house.

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94