3. elizabeth opened a library with 19,000 books in the year 1998. the number of books increases at a rate of 6.49% each year. use a graph to predict the number of books in 2020.
a) ≈ 71,160
b) ≈ 75,779
c) ≈ 80,697
d) ≈ 66,824

The number of books increases at a rate of 6.49% each year so it's a growth function which is
V (t)=V0 (1+r)^t
V (t) number of books in 2020 ?
V0 books in the year 1998 19000
R rate of growth 0.0649
T time 2,020−1,998=22 years

V (22)=19,000×(1+0.0649)^(22)
V (22)=75,778.81 Round your answer to get 75779

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