Question

Real World Example functions

smart phone sales since 1990: Linear, Exponential or Quadratic
Throwing a baseball in the air: Linear, Exponential or Quadratic
Population of a colony of feral cats: Linear, Exponential or Quadratic
Grade on a test compared to hours of studying: Linear, Exponential or Quadratic
half life of a pesticide: Linear, Exponential or Quadratic
Driving at a constant rate of speed: Linear, Exponential or Quadratic​

Answer 1

Smart phone sales since 1990: exponential

Throwing a baseball in the air: quadratic

Population of a colony of feral cats: exponential

Grade on a test compared to hours of studying: linear

Half of a pesticide: exponential

Driving at a constant rate of speed: linear