One because if you look at the graph you go to 3 and there is only one.
The answer should be 6! all you have to do is plug the numbers into the equation!
it would be like this:
-1^2+3^2+(-1)-3
doing all of that would equal 6!
You can put h on -1 and sum on 0.4. Also, you put 1.4 in the wrong place. It should be three more places to the right.
Step-by-step explanation:

Answer:
D is correct Answer. Parallel line on graph means infinity many solutions.