Question

MEDAL!!!!!
The following function shows the relationship between the selling prices, and profit P(s), in dollars, for a company:

P(s) = -20s2 + 1,400s - 12,000

Which statement best describes the intervals where the company's profit increases, decreases, or records a maximum?
A: It is least when the selling price is $30.
B: It is greatest when the selling price is $30.
C: It decreases when the selling price increases from $10 to $35.
D: It increases when the selling price increases from $10 to $35.

Answer 1

@AnswerMyQuestions

Answer 2

@gorv

Answer 3

what we use to check minimum or maximum or increase or decrease??

Answer 4

A polynomial function

Answer 5

derivative ???

Answer 6

Im not sure, I am new to this

Answer 7

you know abt derivative ??

Answer 8

No

Answer 9

Do you think you know the answer

Answer 10

can u calculate the root of this equation ??

Answer 11

I got 109.5

Answer 12

root means zero of the equation can u do it ???

Answer 13

Yeah hold on a second

Answer 14

I got 10 and 60

Answer 15

\[-20s^2+1400s-12000=0 \]
roots of this equation??

Answer 16

I dont know how to find the roots lol

Answer 17

lol you should have told earlier

Answer 18

try to split the middle term such that their sum =1400 and product =20*12000

Answer 19

This quiz is timed and their is 2 minutes left, do you have the answer cause if i dont pass this course i fail it and have to take it again next year

Answer 20

45 seconds!!!!!

Answer 21

sorry direct ans are against the COC of OPENSTUDY