Final answer:
The missing value in the equation y = 1/3x + ? is 0.
Step-by-step explanation:
The missing value in the equation y = 1/3x + ? can be found by examining the equation's slope-intercept form, which is y = mx + b. In this form, m represents the slope of the line and b represents the y-intercept. Therefore, the missing value in the given equation is the y-intercept, which is represented by the constant term in the equation. In this case, the missing value is represented by the question mark (?), as stated in the question. So, the correct answer is B) 0.