SubArea: Exponential equations and inequalitiesLevel: CProject ID: 1003082602Accepted: 1Clonable: 0Easy: 0How many solutions does the following inequality in the set of positive integers have? \[ 9^{x+2}-5\cdot9^{x+1} \leq 2916 \]\( 2 \)\( 3 \)\( 1 \)Infinitely many solutions
