A farmer manages her flock of sheep so that the number of sheep triples every year. She started her flock with 4 sheep. What are the domain and range
of the function f(x) = 4 . 3that models the number of sheep in the flock
after x years?
A. domain: x 20
C. domain: x is all real numbers
range: y 24
range:y>0
B. domain: x > 0
D. domain: x > 0
range: y > 4
range:y>0