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Mathematics 12 Online
OpenStudy (hellokitty17):

IF YOU ARE IN FLVS ALGEBRA 1 COME IN HERE!! HELP HERE PLEASE WILL FAN AND MEDAL!!!

OpenStudy (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: 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)

OpenStudy (hellokitty17):

oregonduck (oregonduck):

@MeganChase

oregonduck (oregonduck):

@heretohelpalways @mathmath333

OpenStudy (hellokitty17):

@heretohelpalways @Hero @MeganChase @enchanted_bubbles @GIL.ojei @IrishBoy123 @beckyg111

OpenStudy (hellokitty17):

@KAKES1967

OpenStudy (hellokitty17):

Help me with Part A, B and C please

OpenStudy (anonymous):

@ganeshie8 @abb0t

OpenStudy (hellokitty17):

anyone

OpenStudy (irishboy123):

look at the x axis, as the price of the increases you see a very clear pattern in terms of the profit the company makes

OpenStudy (hellokitty17):

@jigglypuff314 @mathmath333 @math12321 @MeganChase @purplemexican @Peaches15 @Pencera @David27

OpenStudy (hellokitty17):

@imqwerty

oregonduck (oregonduck):

@nicoleleanne13

OpenStudy (anonymous):

ohhh i remember doing that

oregonduck (oregonduck):

Do you think you can help us we are stuck

OpenStudy (anonymous):

yes i will give you the answers i put for it

oregonduck (oregonduck):

oh ok thanks

OpenStudy (anonymous):

witch module?

oregonduck (oregonduck):

wait did you get a good grade on it?

oregonduck (oregonduck):

module 9

OpenStudy (anonymous):

yes i got a 95

oregonduck (oregonduck):

sweet ok thxs

OpenStudy (anonymous):

wait did u do part one yet? what grade did u get for that

oregonduck (oregonduck):

yes we did we got a 78%

OpenStudy (anonymous):

omg i need to re do it will u help me on that to lol

oregonduck (oregonduck):

lol

oregonduck (oregonduck):

sure

OpenStudy (anonymous):

just text me on my phone it will be easier so we can help eachother okay?

oregonduck (oregonduck):

lets just message each other on openstudy

OpenStudy (hellokitty17):

@phi

OpenStudy (hellokitty17):

help!!!!

OpenStudy (phi):

how far did you get ?

oregonduck (oregonduck):

we need help starting

OpenStudy (phi):

graph below shows profit f(x), x is the price of pens when the price of pens is 0, what is the profit? any idea ?

oregonduck (oregonduck):

none

OpenStudy (phi):

put your finger on the x-axis at x=0 where is the graph (i.e. what is the y-value (how high above the x-axis) is the curve?

OpenStudy (phi):

confused by what I am asking?

OpenStudy (hellokitty17):

yea

OpenStudy (phi):

do you see the parabola? it starts low on the left, goes up to a peak and goes down. as you move sideways to the right, the x-value gets bigger.

OpenStudy (hellokitty17):

yes I see it

oregonduck (oregonduck):

120

OpenStudy (phi):

at each x value the parabola has a height (y value) for example, at x= 3 the parabola is at y=120 see that?

oregonduck (oregonduck):

yes that i what i just said

OpenStudy (phi):

if you read the problem they tell you x is the price of pens. x=3 means the price of a pen is 3 (dollars?) f(x) is the profit the highest profit is 120 when the price of a pen is 3

OpenStudy (phi):

that is part of the answer to part A maximum value of the graph represent? can you say what the maximum value represents ? (I just told you)

oregonduck (oregonduck):

120

OpenStudy (phi):

yes it is 120 but what does the peak mean? f(x) is the profit. the peak is where you make the most profit.

OpenStudy (phi):

that is the answer to what does the maximum value of the graph represent?

OpenStudy (phi):

now What do the x-intercepts mean? the x-intercepts are where the parabola crosses the x-axis (i.e. where y=0) what two x values are where the parabola is at y=0 ? any idea?

OpenStudy (hellokitty17):

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