Answer:
600
Step-by-step explanation:
x max =
a = -5
b = 6
-6/2(-5) = 6/10 = 3/5 = .6
.6 thousand = 600
600 speakers should be sold.
Alternatively, you can check the vertex of the parabola formed.
Which of the following can you determine when you use deduction and start from a given set of rules and conditions
2 answers:
You might be interested in