SOLUTION: Book sales on the internet (in billions of dollars ) in year x are approximated by f(x)=1.84+2.1 .in x, where x=0 corresponds to 2000. How much will be spent on internet book sales

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Book sales on the internet (in billions of dollars ) in year x are approximated by f(x)=1.84+2.1 .in x, where x=0 corresponds to 2000. How much will be spent on internet book sales      Log On


   

Question 725118: Book sales on the internet (in billions of dollars ) in year x are approximated by f(x)=1.84+2.1 .in x, where x=0 corresponds to 2000. How much will be spent on internet book sales in 2008? Round to the nearest tenth.
Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
First of all, it is "ell-en" not "eye-en".

f(x)=1.84+2.1*ln(x)

If x = 0 in the year 2000 then in year 2008, x would be 8. So we just replace the x with 8:
f(x)=1.84+2.1*ln(8)
Now just type this into your calculator and round the answer off to the nearest tenth.