Meena A.

asked • 02/27/20

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.

(a)

How many enterprise IM accounts were there in 2006?

 million

(b)

What was the expected number of enterprise IM accounts in 2011?

 million

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