Consider the following data:

A business property can be depreciated for tax purposes by using the formula, where y is the value of the property x years after it was purchased.

(a) Let us find for what x-values is the property value below.

To do this, substitutefor y in the inequality.

Then,

Subtract from both sides.

Divide both sides by 15,000.

Thus, the property value is below $150,000 for the values of