Final answer:
The equation of the line that passes through (2,6) and is perpendicular to x = 4 is y = 6.
Step-by-step explanation:
To find the equation of a line that is perpendicular to the line x = 4 and passes through the point (2,6), we need to determine the slope of the line x = 4 and then find the negative reciprocal of that slope. Since the line x = 4 is a vertical line, it has an undefined slope. Any line that is perpendicular to an undefined slope line will have a slope of 0. Therefore, the equation of the line that passes through (2,6) and is perpendicular to x = 4 is y = 6 (option B).