April 2019 1 43 Report
Relaciones y funciones

9. Sean R ⊆ N × N y S ⊆ N × N dos relaciones definidas por:
R = { (n, m) : n + m = 17 }; S = { (n, m) : n m = 36 }
Encuentre el dominio y recorrido de: R, S y R ∩ S.

10. Sean las funciones f y g tales que f (x) = x^2−2 x−2 y g (x) = ax + b.
Determine a y b, de modo que f o g = g o f, ∀ x ∈ R.

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