Hallar dominio y rango de * f(x) = √x2 - 4 * f(x) = x + 1 / x - 1 * f(x) = x2 - 1 / x2 + 1 * f(x) = 2x a la 2 - 6x - 8 * f(x) = 3x a la 2 + 7x + 5 * f(x) = f(x) = 4 / √x2 + 0?
Hallar dominio y rango de * f(x) = √x2 - 4 * f(x) = x + 1 / x - 1 * f(x) = x2 - 1 / x2 + 1 * f(x) = 2x a la 2 - 6x - 8 * f(x) = 3x a la 2 + 7x + 5 * f(x) = f(x) = 4 / √x2 + 0.