Answer:
Option D. The number of butterflies Kyle started with
Step-by-step explanation:
In this problem we have
x -----> the time in years
f(x) ----> the number of Kyle's butterfly collection
Observing the table
For x=0
f(0)=5 -----> this is the initial value of butterflies Kyle started with
For x=2
f(2)=20 -----> the number of butterflies in two years
For x=4
f(4)=80 -----> the number of butterflies in four years
therefore
5 represent the number of butterflies Kyle started with
