ARESPARRA123IN ARESPARRA123IN Matemáticas contestada si f(x) =x2-4x+6 hallar (a) f(o). (b) f(3)(c)f(-2). sol.(a) 6.(b) 3. (c) 18. probar que f(1) = f(7/2) y f(2-h)= f(2+h).