How do I draw a function that has a domain if all real numbers greater than 5

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.