Calculus instant messaging account
Instant Messaging Accounts
The number of enterprise instant messaging (IM) accounts is projected to grow according to the function
N(t) = 2.99t2 + 11.32t + 59.6 (0 ≤ t ≤ 5)
where N(t) is measured in millions and t in years, with t = 0 corresponding to 2006.
How many enterprise IM accounts were there in 2006?
What was the expected number of enterprise IM accounts in 2011?