Question

The following function shows the relationship between the selling price (s), and profit P(s), in dollars, for a company.

P(s) = -20s^2 + 1,400s - 12,000

Which statement best describes the intervals where the company's profit increases, decreases, or records a maximum?

It is least when the selling price is $35.
It is greatest when the selling price is $35.
It decreases when the selling price increases from $10 to $35.
It increases when the selling price increases from $35 to $100.

Answer 1

@Hero

Answer 2

can you find the vertex?

Answer 3

35,1200

Answer 4

@SolomonZelman

Answer 5

@SolomonZelman

Answer 6

ALMOST.
1200 is incorrect