Answer:
(-1,-6)
Step-by-step explanation:


(Replaced x in f with (x-2))
(Used
and distributive property)
(Gathered like terms)
(Simplified)
The vertex of a parabola occurs at
.
Let's find
first.

Now we can obtain
which is
in this case:




.
The vertex is (-1,-6).
Answer:
89
Step-by-step explanation:

we evaluate when t=2

so it's 89 feet
The formula for N choose K is given as:
C(n, k)= ![\frac{n!}{[k!(n-k)!] }](https://tex.z-dn.net/?f=%20%5Cfrac%7Bn%21%7D%7B%5Bk%21%28n-k%29%21%5D%20%20%7D)
Where,
n is the total numbers.
k is the number of the selected item.
Options C is correct.