The exponential function modeled represents the number of square kilometers of land occupied by cane toads x years after this animal was first introduced into australia. based on the data, which measurement is closest to the number of square kilometers of land that will be occupied by cane toads 40 years after this animal was first introduced into australia?
a. 550,000 km2
b. 1,250,000 km2
c. 600,000 km2
d. 800,000 km2