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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)
@heretohelpalways @Hero @MeganChase @enchanted_bubbles @GIL.ojei @IrishBoy123 @beckyg111
Help me with Part A, B and C please
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
@jigglypuff314 @mathmath333 @math12321 @MeganChase @purplemexican @Peaches15 @Pencera @David27
ohhh i remember doing that
Do you think you can help us we are stuck
yes i will give you the answers i put for it
oh ok thanks
wait did you get a good grade on it?
yes i got a 95
sweet ok thxs
wait did u do part one yet? what grade did u get for that
yes we did we got a 78%
omg i need to re do it will u help me on that to lol
just text me on my phone it will be easier so we can help eachother okay?
lets just message each other on openstudy
how far did you get ?
we need help starting
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 ?
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?
confused by what I am asking?
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.
yes I see it
at each x value the parabola has a height (y value) for example, at x= 3 the parabola is at y=120 see that?
yes that i what i just said
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
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)
yes it is 120 but what does the peak mean? f(x) is the profit. the peak is where you make the most profit.
that is the answer to what does the maximum value of the graph represent?
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?