SubArea: Exponential equations and inequalitiesLevel: CProject ID: 2010008214Source Problem: 1003064104Accepted: 0Clonable: 1Easy: 0How many solutions in the set of positive integers does the following inequality have? \[ 2^{3x}\cdot 7^{x-2}\leq 4^{x+1}\]\( 2\)\( 3\)\( 1\)\( 4\)