Question

Suppose that the equation, y = 600(1.05)x, represents the average cost of an education at a public college, where x stands for the number of years after 1990. Predict the average cost for 2010 (x = 20), to the nearest dollar.


$1,255

$1,592

$2,350

$2,864

Answer 1

Put x =20 into y=600(1.05)^x
y = 600 (1.05)^(20) = ... ?

Answer 2

1,592???

Answer 3

Yes, I think!