Answer:
The line should go through (0,6), (1,7) (2,8), (3,9) and (4,10)
Explanation:
Given
Yolanda's age is y
Xavier's age is x
so we have (2,8) and (4,10)
m = (y2 - y1)/(x2 - x1) = (10 - 8)/(4 - 2) = 2/2 = 1
so y = mx + b
10 = 1(4) + b
b = 6
y = x + 6