#1. the amount of radioactive isotope decays in half every 1 year. the amount of the isotope can be modeled by a. the starting amount of the isotope
b. the amount of the isotope after 1 year
c. the rate the isotope decreases
d. the number of years that have passed
#2. the population of a species of rabbit triples every year. this can be modeled by
f(x)=4(3)x and f(5)=972
what does the 5 represent? a. the starting population of the rabbits b. the population of the rabbits after 5 years c. the rat the population increases d. the number of years that have passed