Answer:
The firstgear needs to make five revolutions in order for the marks to line up again.
Step-by-step explanation:
Answer:
The answer I think is correct is B
Step-by-step explanation:
I hope that's corrected?
Answer:
y = -3(x + 1)² + 9
Step-by-step explanation:
y = a(x - h)² + k, where (h, k) is the vertex
The vertex of the quadratic function is (-1, 9)
The only equation listed that has a vertex at (-1, 9) is:
y = -3(x + 1)² + 9