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The minimum hourly wage, y (in dollars per hour), in a country can be approximated by the equation y= 0.12x + 2.14. In this equation, represents the number of years since 1970 (x=0 represents 1970, x=5 represents 1975, and so on). Federal Minimum Hourly Wage by Year 6- y = 0.12x + 2.14 Minimum Wage ($/hr) 20 30 35 40 Year (x = 0 represents the year 1970)