The decrease in the worth of Kenzie's car can be represented by the function m(t)=23,000(0.97)t, where t is the time in years, and m is the car's value in dollars.

Question

What is the average rate of change of the car's value in dollars per year (rounded to the nearest dollar) during the first 4 years Kenzie owns it?

−660
660
2638
−2638

Answer 1

(m(4)-m(0))/(4-0)

Answer 2

its 660