Y = 2x + 5 for x = 1.

1. (1, 12)

2. (1, - 2)

3. (3, 1)

4. (1, 7)

Since you know the value of x, you can substitute/plug it into the equation to find the value of y:

y = 2x + 5 Plug in 1 into "x" since x = 1

y = 2 (1) + 5

y = 7

When x = 1, y = 7 - -> (x, y) = (1, 7) Your answer is #4