Well really it would have to depend on the flashlight. Is it an led bulb or a regular bulb?
the equation of the line is
y = 6/5xy + 7/5x - 2/5
Answer
it is the 3rd one I believe sorry if you got it wrong thought
Step-by-step explanation:
I think you can find the explan on g00gle or on your notes if you write any
-2 or -2/1 because the ratio is y over x and the line is going down 2 (-2) every time it goes to the right once (1)