Question

Please hurry, show all work

Answer 1

Graph is attached below

Yes, it is a function

The total rental cost is $26

Explanation:

Steps are shown in the graph.

However, to type them out here:

Write down a function of x:
`y(miles)= (miles \cdot 0.30) +` daily rental cost

Then place the numbers in:
`y(20)=x(0.30) +20\\y(20)=26`