Question 1178379
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The value of an lamp that was purchased at auction in January 2010 is modeled by the equation y=260(1.073)^x. 

In what year and month will the lamp be worth $500
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In order to answer your question,  we need to know what the variable  "x"  does represent in the formula.



Your post must explain it,  but it failed to do it . . .