Answer:
option 2
Explanation:
Let equation for this table be y = mx + c, where m is the gradient (or slope) and c is the y intercept (or constant term)
m = (-4-(-2))/(7-5)
= -1
sub m = -1 and x = 1 and y = 2:
2 = -1(1) + c
c = 3
therefore, equation: y = -x + 3