Question

Plz help me

A cruise ship is currently 5 kilometers away from its port and is traveling away from the port at 5 kilometers per hour. The function y = 5x +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?

The cruise ship will be _______ kilometers away from port in 4.5 hours.​

Answer 1

The ship will be far from its port 3.5 hours from now
Explanation:

The function is relates the number of kilometers y the ship will be from its port x hours from now, it has a form .
As the function is clearly defined, we only have to evaluate it for , so is the distance between the cruise ship and its port after 3.5 hours.