Y = a (x + 3)² - 1
Let's take the point (-1;3)
3 = a ( -1 + 3)² - 1
3 = 4a - 1
4a = 4
Therefore a = 4/4 = 1
(x+3)² - 1
= x² + 6x + 9 - 1
= x² + 6x + 8
The answer would be y = x² + 6x + 8.
Hope this helps !
Photon
The answer is 21 pounds 7 ounces.
Answer: P(landing on orange)=1 - [2/3 + 1/12 + 1/12]
so <em><u>=1/6</u></em>