Answer:

Step-by-step explanation:
The vertex form of a parabola f(x) = ax² + bx + c:

(h, k) - vertex

We have the equation:

Finally:

3+16=19,
3+20=23
So the correct answer would be 19 and 23
Answer:
4
I multiplyed them all by two and then added them to see f it equaled 12 and it did
Surface area = 50 x 30 = 150
Per cm of height 150 cubic cm needed
7cm height needed
150 x 7 = 1050 cubic cm needed