It's not even. And every multiple if 6 is even.
For number 9 just take the two functions and multiply or add them I can’t tell what sign that is
Answer:
7x^2+2x-4
Step-by-step explanation:
a standard form is ax+by=c
5x^2 add 2x^2=7x^2 then -2x but when you have a -10 +6 you get -4 giving you the answer of 7x^2 +2x -4
