(1/3)^(-х)-4*3^(х)<(-27)

Question

(1/3)^(-х)-4*3^(х)<(-27)

Answer 1

3^x-4*3^x<(-27)<br>3^x(1-4)<(-27)<br>3^x*(-3)<(-27)<br>3^x<(-27)\(-3)<br>3^x<9<br>x<2