Which city had larger population in 2009 and when will the


The population of city A changes according to the exponential function

A(t) = 2.9 (2) 0.11 t (millions)

and the population of city B changes according to the exponential function

B(t) = 1.7 (2) 0.17 t (millions)

where t = 0 correspond to 2009.

a) Which city had larger population in 2009?

b) When will the sizes of the populations of the two cities be equal?

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Algebra: Which city had larger population in 2009 and when will the
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