Answer:
Step-by-step explanation:
x² + 4x - 1 - x =x² + 4x -x - 1 { bring the like terms together and add}
= x² + 3x - 1
Squared, so it is a parabola
leading coefieint (-4) is negative, so it opens down
it is concave down
Answer:
0
Step-by-step explanation: 3-5=-2+6=4-4=0
Answer:
Yes, A, B, C, is correct the answer to question
I think it's 10. Hope it helps. Like I am saying I am not 100% sure it is but I still hope it helps
