Step-by-step explanation:
The data in the question are not properly presented.
See attachment for graph
To determine the graph, first we need to calculate the slope (m)
Where x and y are corresponding values:
When x = -1; y = 2;
This implies
When x = 0; y = -3
This implies
So:
The equation is then calculated using:
Where:
Make y the subject
Please note that the graph I attached may/may not be the right graph to your question.
However, if you follow the steps I used in answering this question, you'll get the right answer to your question.