Which expression is equivalent to rootindex 4 startroot startfraction 16 x superscript 11 baseline y superscript 8 baseline over 81 x superscript 7 baseline y superscript 6 baseline endfraction endroot? assume x greater-than 0 and y not-equals 0.

The power train control module (pcm) or engine control module (ecm) will automatically clear a diagnostic code (dtc) if there are no additional faults detected aftera. the criteria to clear codes is reachedb. eighty warm up cyclesc. five key-on/key-off cyclesd. two consecutive trips