Answer:
x=
7/3
x=-4
Step-by-step explanation:
Use the quadratic formula
a= 3, b=5, c=-28
-5± 
x= _________________
2.3
Simplfy

I think the domain is -1 and the range is 2. You may want to double check though.
Answer:
attached below
Step-by-step explanation:
Applying the rule of logical equivalences
attached below is a detailed solution ( written as a numbered sequence of statements )