Hi! Please provide answers from 1520 with all parts labelled! Price not negotiable Thanking you in anticipation

Question

Hi! Please provide answers from 15-20 with all parts labelled! Price not negotiable. Thanking you in anticipation.

15.
1. Answer (in interval notation): ( 0, 2 ) , ( 5, 8 )
2. Answer (in interval notation): ( 2,5 ) ( 2,2 ) , ( 5,2 ) 3. Answer (separate by commas): 16. y=x e −3 x The function is concave down…
Math