Answer:
I would say triangle. But I am not completely sure!
Step-by-step explanation:
Hope this helps!
The function is graphed as shown below
Part A:
We use the formula

to find the vertex of the function. A quadratic function of the form of

and equating this form to the given function

, we have

and

.
Substituting

and

into the vertex formula, we have

, as shown in the graph
This calculation means that the highest profit is achieved when the number of photo printed equals to ten photos
Part B:
We can find solution to this equation by factorising





and

, as shown in the graph
The two values means that the company makes no profit when they either produce 5 or 15 photos
Answer:
he
Step-by-step explanation:
I believe the answer is A
6 subsets are possible, but the number of subsets depends on the problem