What is true about the domain and range of the function? O The domain is all real numbers, and the range is all real numbers greater than or equal to -4. O The domain is all real numbers greater than or equal -4, and the range is all real numbers. The domain is all real numbers such that -6 SX​

answer:

the industry standard depth limit for recreational divers is 130 feet (39 m) at sea level. during the basic scuba certification, students experience depths of 30-60 feet (9-18 m), and a “deep” dive is considered more than 60 feet (18 m). “going deep” is not an end in itself for scuba enthusiasts.