Question id 30 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Preflight Preparation - (Refer to figure 8.) What is the effect of a temperature increase from 30 to 50 °F on the density altitude if the pressure altitude remains at 3,000 feet MSL?
1,100-foot decrease.
900-foot increase
1,300-foot increase

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane