A repairman charges an inspection fee plus $30 per hour. A customer with a coupon for 40% off the inspection fee pays $84 for a 2-hour repair. How many hours are worked when a customer pays $130 without a coupon?

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Given the graphed function below which of the following orders pairs are found on the inverse function