Answer:
33 pounds.
Step-by-step explanation:
O.K.
(h; k) are the coordinates of the vertex.
On the graph are (3; 4), therefore we have:

We have the x-intercept (1; 0) → x = 1; y = 0.
Substitute them in the equation:

so. We have the answer:
Greatest and least are 2 and 1