What is f(x) = x2 - 8x + 11 written in vertex form?
Factor 1
+X
f(x) = (x – 4)2-5
f(x) = (x-4)2 +5
f(x) = (x +4)2 -27
Ax) = (x + 4)2 + 27
||
Factor 2
| 1

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8