let f={(1,2) (3,4) (2,2)} and g={(2,1) (3,1) (4,2)} find gof and fog
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Gof(x)={(1,1)(3,2)(2,1)}
Fog(x)={(2,2)(3,2)(4,2)}
Fog(x)={(2,2)(3,2)(4,2)}
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