how can i tell if its a clutch or trans problem only moves at very high rpms

What is your question?

i have full clutch pedal and pressure but car only moves when the rpms are very high it doesnt matter what gear even reverse. never heard a noise or pop but did notic a few days before an the day of the problem a little harder to shift into 3rd gear the trans is covered under warranty the clutch is not. Any advice would be great.