Mathematics, 04.07.2019 15:00 dreamadoreaa
Andy and jacob work as technicians in a laboratory where gemstones are tested and certified. andy has already tested 30 gemstones and continues testing at a rate of 30 gemstones per hour. jacob has already tested 40 gemstones and continues testing at a rate of 25 gemstones per hour. which function can andy and jacob use to determine the total number of gemstones they have tested after x hours? how many gemstones will they have tested after 5 hours? a. the function that describes the total number of gemstones tested by andy and jacob in x hours is given by f(x) = 60x + 65. thus, they will have tested 365 gemstones in 5 hours. b. the function that describes the total number of gemstones tested by andy and jacob in x hours is given by f(x) = 55x + 70. thus, they will have tested 345 gemstones in 5 hours. c. the function that describes the total number of gemstones tested by andy and jacob in x hours is given by f(x) = 70x + 55. thus, they will have tested 405 gemstones in 5 hours. d. the function that describes the total number of gemstones tested by andy and jacob in x hours is given by f(x) = 55x + 10. thus, they will have tested 285 gemstones in 5 hours.
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