The answer is 20!! okay okay!!
Answer:
It would be a negative number, no matter what negative integer you put it as.
Step-by-step explanation:
For example, lets substitute -2
f(-2) = -8-4-1 = -13; a negative number
Answer:
I think 2+-1x+9y
Step-by-step explanation:
Just add the numbers that have the same variables
Answer:
X=0
Step-by-step explanation:
It is a law that

Number( a) shouldn't be zero.
Answer:
Right now I'm wondering what kind of class you are taking to get such a weird graph, but I graphed it for you on the screenie.
Step-by-step explanation:
You should though recheck your question for exponents, as 9x2 could be interpreted differently.
Since exponents to not transition well here, I can assume that it was a 9x^2, so please add an exponent symbol ^ between the variables and exponents next time.