After the last ice age began, the number of animal species in Australia changed rapidly. The relationship between the elapsed time, t, in years since the ice age began, and the total number of
animal species, S(t), is modeled by the following function:
t
S(t) = 4,200,000 - (0.72)
Complete the following sentence about the yearly percent change of the number of animal species.

168

step-by-step explanation:

i am pretty sure that the answer is 168

false

step-by-step explanation:

answer: 193

explanation:

200-7 = 193

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,