Question

The graph for a stable that charges a $20 flat fee plus $10 per hour for horseback riding is shown below. How will the graph change if the stable changes its charges to a flat fee of $45 plus $30 per hour?

Answer 1

To find the new graph we need to remember the equation of a line in its slope-intercept form

`y=mx+b`

In our case m will represent the charge per hour and b will be the flat fee.

Then the new charge will be described by the equation

`y=30x+45`

The graph of this equation is