The population of a certain species of oak tree in a national forest declines each year by one-fourth. So, after each year, only three-fourths of the trees present at the beginning of the year remain.
Which of the following describes the rate of decline in the population of the species of oak tree?
a.nonlinear
b.both linear and nonlinear
c. linear
d.neither linear nor nonlinear
Function which describes this situation is [tex]y=A\times 0.75^x[/tex], where A is the initial number of oak trees, and x is the time. This function is exponential, which means it is nonlinear.
