Functions A and B give the population of City A and City B, respectively, t years since 1990. In each function, population is measured in millions Here are the graphs of the two functions.
8
7
City A
6
population (millions)
NA
City B
16
1 2 3 4 5 6 7 8 9 10 11 12
time (years)
Which function value is greater: A(4) or B (4)?
O A(4)
OB(4)