List the critical values of the related function. Then solve the inequality. 1/x+4>0. Im having trouble with understanding the process please help.

Respuesta :

for solving 1/x  +  4 >0, so 1/x> -4 and  1 > - 4x, so it implies 1 /4 < x (multiplied by -1 the both member and the sign > changed to <)

the solution is ]1/4,  - infinity[