Respuesta :

Now consider the point (0,5) which is part of graph because the gave that the Y intercept is 5 which means the graph intersects the Y-axis at (0,5).

Now, substitute (0,5) in given equation of the graph. Which is,

2(0) + B(5) = 15

5B = 15

B = 3

Hope it helps, feel free to ask doubts if any.