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.

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.

leahhhmorgannn · Answer

@Love_Ranaa

love_ranaa · Answer

Sorry, I was doing something else.

leahhhmorgannn · Answer

Do you have any ideas?

love_ranaa · Answer

I think it's  It is greatest when the selling price is $35.

leahhhmorgannn · Answer

How'd you figure that?

love_ranaa · Answer

I looked it up and this is what I got : https://answers.yahoo.com/question/index?qid=20140417075241AAk0uhd#

leahhhmorgannn · Answer

Seems plausible, lol. 
For some reason, that wouldn't come up in all my searches. 
Thanks.