this one is kinda Hard ill do sum research and help
Answer: The second option and the third option are true.
Step-by-step explanation:
The formula of the line in slope-intercept form is:

Where <em>m </em>is the slope and <em>b </em>is the y-intercept.
By definition, the y-intercept in a direct variation is 0.
Therefore, substituting
and
into the equation, you obtain:

Then, the equation is:

As this is a line, it is a linear function.
Therefore, the second option and the third option are true.
Answer: 
Step-by-step explanation:
The slope of the line is

Using the point (-2, 0) to substitute into point-slope form, we get the equation to be 
Divide the total cost by the amount of months
28.5 divided by 6=4.75