A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones.The numbers of cell sites from 1985 through 2008 can be modeled by $y = \frac { 237,101 } { 1 + 1950 e ^ { - 0.355 t } }$ where t represents the year, with $t = 5$ corresponding to 1985.Use the model to find the numbers of cell sites in the year 2007 .
A)211,071
B)209,071
C)208,071
D)207,071
E)210,071

Question

A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones.The numbers of cell sites from 1985 through 2008 can be modeled by $y = \frac { 237,101 } { 1 + 1950 e ^ { - 0.355 t } }$ where t represents the year, with $t = 5$ corresponding to 1985.Use the model to find the numbers of cell sites in the year 2007 . 
A)211,071
B)209,071
C)208,071
D)207,071
E)210,071

Quizplus · Accepted Answer

The Answer of A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones.The numbers of cell sites from 1985 through 2008 can be modeled by $y = \frac { 237,101 } { 1 + 1950 e ^ { - 0.355 t } }$ where t represents the year, with $t = 5$ corresponding to 1985.Use the model to find the numbers of cell sites in the year 2007 . 
A)211,071
B)209,071
C)208,071
D)207,071
E)210,071

A Cell Site Is a Site Where Electronic Communications Equipment y=237,1011+1950e−0.355ty = \frac { 237,101 } { 1 + 1950 e ^ { - 0.355 t } }y=1+1950e−0.355t237,101​

A Cell Site Is a Site Where Electronic Communications Equipment $y = \frac { 237,101 } { 1 + 1950 e ^ { - 0.355 t } }$