Estimate the number of cell phone subscribers in 2008. Round to the nearest tenth.

For this case we have an exponential function of the form:

Where,

A: initial number of subscribers

b: rate of change

x: number of years

Part A:

The equation modeling the problem is given by:

For the year 2008 we have x = 2.

Substituting values:

Part B:

For the year in which the company reaches 278 million we have

Thus, the company reaches 278 million in the year 2009.

Step-by-step explanation:

i don't even know man. edge inuity be messing with us. i had to ask a question too.

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13