Respuesta :
The answer is -34 because all you have to do is substitute the x and y values for (8,6) where x = 8 and y =6.
So this is the equation: f(x,y) = 8 - ((8*6) - y)
Use PEMDAS and solve
So this is the equation: f(x,y) = 8 - ((8*6) - y)
Use PEMDAS and solve