To solve these problems, we will use the following formulas:
1.- For linear increase or decrease:
2.-For a percentage of increase or decrease:
3.- A constant function is represented by:
Answer:
a) Increases by 23 students per year:
b) Decreases by 11% per year:
c) Increases by 15% per year:
d) Remains constant:
e) Decreases by 74 students per year: