A population changes with time.Its level after t years is given by the function .After a period of population decrease, the population reaches a minimum value.What can be said about at this time?
A) is positive.
B) is negative.
C) is zero.
D) is linear.

Question

A population changes with time.Its level after t years is given by the function  .After a period of population decrease, the population reaches a minimum value.What can be said about  at this time? ​
A) is positive. 
B) is negative. 
C) is zero. 
D) is linear.

Quizplus · Accepted Answer

The Answer of A population changes with time.Its level after t years is given by the function  .After a period of population decrease, the population reaches a minimum value.What can be said about  at this time? ​
A) is positive. 
B) is negative. 
C) is zero. 
D) is linear.

A Population Changes with Time