Question

A cruise ship is 5 kilometers away from its port and is traveling away from the port at 10 kilometers per hour. The function y=10x +5 relates the number of kilometers y the ship will be from its port x hours from now. How far will the cruise ship be from its port 4.5 hours from now

Answer 1

50 kilometers

Explanation:

All you need to do to solve is plug in 4.5 into x: y=10(4.5)+5. First you multiply 4.5 by 10 to get 45. Then, you add 5 to 5 to get 50.