Answer:
1.05263
Step-by-step explanation:
hope it helps !
7. What I did is divide 520 by 8 to get the miles and hour. I got 65. Since you can get 65 miles and hour, i divided 455 by 65 to get 7.
This function is in vertex form: f(x)=a(x-h)^2 - k
Where (h , k) is the vertex. x=h is the axis of symmetry.
Vertex (1,-5) axis of symmetry x = 1