Answer:
look at the explanations
Step-by-step explanation:
part a: the zeros are the two points on the x-axis
- looks like (0,10) and (0,60)
part b: the zeros represent her minimum profit where she makes 0 dollars
part c: the vertex is the very top of the parabola
- looks like (35, 12000)
part d: the vertex represents the max amount of profits she makes
