A new car is purchased for \$14,000$14,000 and over time its value depreciates by one half every 4 years. How long, to the neare
2 answers:
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<h2>1)</h2>
This must be true for some value of x, since we have a quantity squared yielding a positive number, and since the equation is of second degree,there must exist 2 real roots.
Well he started off correct to the point of completing the square.