Use computer software to obtain a direction field for the gi

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
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See this link for the plots : (a) http://www.wolframalpha.com/input/?i=y%E2%80%99+%3D+x+%2B+y%3B+y%28-2%29+%3D+2 (b) http://www.wolframalpha.com/input/?i=y%E2%80%99+%3D+x+%2B+y%3B+y%281%29+%3D+-3