Matthew S. answered • 02/27/20

Math needn't be a mystery! I can help you make sense of it.

a) N(0) = 59.6 million. (Since 2006 corresponds to t = 0, all you have to do is evaluate N(0).)

b) N(5) = 2.99*5^{2} + 11.32*5 + 59.6 = 190.95 million

Meena A.

asked • 02/27/20The number of enterprise instant messaging (IM) accounts is projected to grow according to the function

*N*(*t*) = 2.99*t*^{2} + 11.32*t* + 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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Matthew S. answered • 02/27/20

Math needn't be a mystery! I can help you make sense of it.

a) N(0) = 59.6 million. (Since 2006 corresponds to t = 0, all you have to do is evaluate N(0).)

b) N(5) = 2.99*5^{2} + 11.32*5 + 59.6 = 190.95 million

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