In order to solve this exercise you need to remember the following symbols in Inequalities:
1. The meaning of this symbol is "Greater than":

2. The meaning of this one is "Less than":

3. The following symbol means "Less than or equal to":

4. And this one means "Greater than or equal to":

Knowing the above, you can determine that the statement "c is less than 6", can be written as the following inequality:

The answer is:
Answer:
a) 15
b) 9
c) 2
Step-by-step explanation:
im try it by using trial and error by calculator
(2x^3+x+3)/(x+1)=2x^2-2x+3