Depreciation Rate A new Lexus sells for about $50, 000. The function r = 1 − ()1/5 express...

Depreciation Rate A new Lexus sells for about $50, 000. The function r = 1 − ()1/5 expresses the depreciation rate r for a five-year-old car as a function of the value V of a five-year-old car. What is the depreciation rate for a car that is worth $18, 000 after five years? Write V as a function of r.