Question

A $240,000 building is depreciated by its owner. The value *y* of the building after *x* months of use is

y = 240,000 − 1500x.

(a) Graph this function for *x* ≥ 0.

(b) How long is it until the building is completely depreciated (its value is zero)?

months

(c) The point (80, 120,000) lies on the graph. Explain what this means.

(b) How long is it until the building is completely depreciated (its value is zero)?

months

(c) The point (80, 120,000) lies on the graph. Explain what this means.

The point (80, 120,000) means that after months the value of the building will be $ .

Step 1

(a) The graph of the equation *y *= 240,000 – 1,500*x* for *x* ≥ 0 is shown in below figure.

Step 2

(b) The building is completely depreciated at *x* = 0.

From the figure in step 1, it is observed that the line *y* crosses *x*-axi...

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