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OpenStudy (anonymous):
This is the table for the billions of dollars in book sales for the first four years after 1990, using the equation y=19(1.057)^x. They have been rounded to the nearest whole number. Years After 1990: x 1 2 3 4 Billions of $: y 20 21 22 23 Which is incorrect? A. 1 B. 2 C. 3 D. 4
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OpenStudy (anonymous):
do you have a calculator?
OpenStudy (anonymous):
Yesh
OpenStudy (anonymous):
type the formula into the calculator, then plug in the each given x value into the formula, and see what value comes out. Then check to see if the given y values match up
OpenStudy (anonymous):
Alright thanks! (:
OpenStudy (anonymous):
D is incorrect
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