which one is the right answer

Answer:
Use a website called Desmos and click on the graphing calculator
Step-by-step explanation:
Type all of those equations in the graphing calculator and the one that is the same as the graph above is the correct one!
Answer:
Since it’s negative it will have a negative slope so it would be down to a, b, c
Then look at the y intercept which is 2 and it’s positive so it would be c
Answer:C