Answer:
look at explanation for answer...
Step-by-step explanation:
y = 2x + 1
so you want the coordinates (1,3)
so you input the x coordinate into the equation,
y = 2(1) + 1
y = 2 + 1
y = 3
but if you have to write a new equation to get coordinates (1,3)
you could write the equation
y = 3x
