What is the equation of the function that is graphed as line a ?

1. y = - x + 1
2. y = 3 x - 1
3. y = 3 x + 1
4. y = x - 1

What is the equation of the function that is graphed as line a 1 y x 1 2 y 3 x 1 3 y 3 x 1 4 y x 1 class=

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Answer:

4. y = x - 1

This is what I'm thinking. I put the equation in my calculator and the same line came up.

Step-by-step explanation: