In Problems 512 use computer software to obtain a direction field for the given differential equation. By hand, sketch an approximate solution curve passing through each of the given points. 5. y = x (a)y(0) = 0 (b)y(0) = 3 6. y = x + y (a)y(2) = 2 (b)y(1) = 3 7. y dy dx = x (a)y(1) = 1 (b)y(0) = 4