Answer:


Step-by-step explanation:
We have the following equation:

We can use the quadratic formula given by:

Where:

And replacing we got:


the answer is -8, the 9 is negative and -9+1= -8
Answer:
"You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function!"
Step-by-step explanation: Look it up :)
Three I believe (I hope this helps :> )
Answer:
C - 5/12 of a foot
Step-by-step explanation:
Subtract the numerators from 8/12 - 3/12 - keeping the denominator
8 - 3 = 5
5/12