A)
The vertex can be determined using the completing square method.
f(x) = -(x² - 44x + 384)
= -(x² - 44x + 384 + 22² - 22²)
= -(x - 22)² - 384 + 22²
= -(x - 22)² + 100
The vertex is (22 , 100) and this means that the maximum profit(due to negative sign of coefficient of x) is $100 and is achieved when 22 combos are sold
B) 0 = -(x - 22)² + 100
x - 22 = 10
x = 32
x - 22 = -10
x = 12
This means the shop gains no profit when it sells 32 or 12 combos, and this can be due to the production cost being equal to the money gained via sales.
Answer:
The solution set is;
y < 3
This means the values of the real numbers set that are less than 3 in value
Step-by-step explanation:
Here, we want to get the solution set of the inequality
what we have to do is to get the value of y
We have this as;
15y < 36 + 9
15y < 45
y < 45/15
y < 3
1. Add all of the sides
So it should be 22
Answer:
71/8
8.875
8 7/8
Step-by-step explanation:
