HelloKitty17
  • HelloKitty17
HELP ME!!!!!!!! ANYONE WHO IS IN FLVS ALGEBRA 1 JOIN MY QUESTION!!!! I NEED HELP!! PLEASE AND THANK YOU!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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HelloKitty17
  • HelloKitty17
The graph below shows a company's profit f(x), in dollars, depending on the price of pens x, in dollars, being sold by the company: graph of quadratic function f of x having x intercepts at ordered pairs 0, 0 and 6, 0. The vertex is at 3, 120 Part A: What do the x-intercepts and maximum value of the graph represent? What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and profit? (5 points) Part B: If at one time the profit of the company was at least $60, what domain could possibly produce this profit? (2 points) Part C: What is an approximate average rate of change of the graph from x = 3 to x = 5, and what does this rate represent? (3 points)
HelloKitty17
  • HelloKitty17
@IrishBoy123
IrishBoy123
  • IrishBoy123
diagram / graph?

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HelloKitty17
  • HelloKitty17
OregonDuck
  • OregonDuck
Part B: When y is 60 x is both 1 and 5 Part C: We have to look at x = 3 and x = 5 and find the 'y' values..which is 120 and 60 (3, 120) (5, 60) Plug them into the slope formula: m=y2−y1/x2−x1 m=60−120/5−3 Simplify
HelloKitty17
  • HelloKitty17
how to simplify
HelloKitty17
  • HelloKitty17
@IrishBoy123 help me
OregonDuck
  • OregonDuck
the answer is -30
IrishBoy123
  • IrishBoy123
so you want help with B and C, right?
IrishBoy123
  • IrishBoy123
here's a better graph
1 Attachment
IrishBoy123
  • IrishBoy123
for B you are looking for a "domain", which here is the set of all the x values that go into your function to give a profit of **at least** $60. it's not 1 and 5.
IrishBoy123
  • IrishBoy123
this is how you figure it out
1 Attachment
IrishBoy123
  • IrishBoy123
it looks like \(a

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