Answer:
No, it would not because the point (3, 15) is not on the line.
Step-by-step explanation:
Given the below equation of the line;

To be able to determine if the point (3, 15) is on the above line, let's substitute x = 3 into the above equation of the line and find the corresponding value of y;

From the above, we can see that the point (3, 13) will be on the said line and not point (3, 15)