6. Suppose the population of deer in a state forest is given by the function D(t) = 750 + 150 cos

t is measured in years since 2000. Once the deer population reaches a maximum number, how ma

take the population to reach a maximum again?

A. 2 years

B. 3 years

C. 4 years

D. 5 years

A. 2 years

B. 3 years

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.