Homework Help: Algebra

Posted by Nancy on Sunday, April 26, 2009 at 11:50pm.

The population of Australia in x years after 1980 can be modeled by the function y=14.6*(1.014)^x. Estimate the population of Australia for each year.

a) 1976
b) 1980
c) 1972

I am not sure of what to do. Help Please ?

Algebra - Damon, Monday, April 27, 2009 at 5:44am
in 1976, x = -4
y = 14.6 /1.014^4

in 1980, x = 0
anything^0 =1
y = 14.6

in 1972, x = -8
y = 14.6 /1.014^8

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