Answer:
Step-by-step explanation:
To find the population in 1998, fill in the value of t for that year, ...
t = 1998 -1980 = 18
and do the arithmetic.
population = 13.2×18 +965 = 237.6 +965 = 1202.6 . . . . thousands
The increase is the amount that is added to 965, which is 237.6 thousand.