Answer:
y=4x-1
Step-by-step explanation:
So since we know the slope, we can start with the simple equation: y=4x
Then, we plug in that when x=0, y=-1, with the given point.
So we simply combine the 2 statements to get y=4x-1
So for this sale, you'll save $300.00 on this item.
This means, the cost of the item to you is
$1500 - $300.00 = $1200.00.