A community for students.
Here's the question you clicked on:
 0 viewing
DJJo
 one year ago
Please help I'm so confused
DJJo
 one year ago
Please help I'm so confused

This Question is Closed

DJJo
 one year ago
Best ResponseYou've already chosen the best response.1The function f(x) = −x2 + 44x − 384 models the daily profit, in dollars, a shop makes for selling donut combos, where x is the number of combos sold and f(x) is the amount of profit. Determine the vertex.

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1formula to find vertex is x=b/2a

TheSmartOne
 one year ago
Best ResponseYou've already chosen the best response.1for the equation ax^2 + bx + c (b/2a, f(b/2a)) is the vertex

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1xcoordinate of vertex* then substitute x for its value into f(x) function to find ycoordinate

TheSmartOne
 one year ago
Best ResponseYou've already chosen the best response.1now plug 22 into that equation again :)

DJJo
 one year ago
Best ResponseYou've already chosen the best response.1f(22) = −(22^2) + 44(22) − 384 f(22) = 484 + 968  384 f(22) = 484  384 f(22) = 100

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1great tthat's ycoordinate of vertex done! good job!
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.