URGENTEEEE?
URGENTEEEE. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ cuando x = 2 a) f(x) = x + 7, g(x) = x - 7 ; b) f(x) = x², g (x) = 1 - x ; c) f(x) = x - 2 , g (x) = x² / x² + 1 ; d) f(x) = 1 / x , g(x) = 1 / x² ; e) f(x) = x, g (x) = 1 / x³ ; f) f(x) = 2x + 5 , g (x) = 2 X² - x - 15.