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

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13