Section 9 - Topic 1 Real-World Exponential Growth and Decay - Part 1 Determine if the following scenario is linear (L) or exponential (E) growth or decay. The cost of gas per gallon. The population of bacteria after being sprayed with insecticide. The cost of a tractor that constantly depreciates after being bought. A cab company charging $3 boarding fee with $0.30 per tenth of a mile. The amount of a radon isotope after 50 years. The number of people in the world. 2. Consider the following table that models an exponential growth of the amount of rumors Niles spreads about Frasier. People that know Days the rumor H