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Mathematics 22 Online
OpenStudy (timmyk14):

Please tell me if I'm right. If I'm wrong please explain to me what I need to do to fix this: The price of the cups, p(x), is a function of the number of x cups ordered. Using the table, determine the average rate of change for the first 1,000 cups ordered and then for all 3,000 cups ordered. What does this tell you about the function? My answer: p(x) = 1000x

OpenStudy (anonymous):

I think it is idk like how did you solve it?

OpenStudy (jdoe0001):

"Using the table, determine the average rate" ^ what table?

OpenStudy (timmyk14):

It's a function. So..umm...To be honest I have no idea

OpenStudy (timmyk14):

Cups Ordered 0 500 1,000 1,500 2,000 2,500 3,000

OpenStudy (jdoe0001):

can you post a quick screenshot of the material?

OpenStudy (timmyk14):

yea, hold on

OpenStudy (timmyk14):

OpenStudy (timmyk14):

This is how I got the function p(x) = 1000x: It said something about them selling 1000 cups, and so I would multiply that by the cost per cup (x) to get p(x). Right? or wrong? @jdoe0001

OpenStudy (jdoe0001):

I'm thinking the table is missing info.... there's only one elemenet... when I'd think there should be two

OpenStudy (jdoe0001):

and the average rate of change... which you're asked to find, would the slope of those 2 elements correlations which I assume you've covered already, how to find a slope of two points but the table seems incomplete, it only shows a column of one item when it should have two

OpenStudy (timmyk14):

@jdoe0001 You're right. Every table needs to have an input value and an output value, correct? All I was given was the input value, or the number of cups. The question is wanting me to form a function that will help me solve for the output values. That's why only one element is shown..

OpenStudy (jdoe0001):

well... thought that at first, yes but I don't see the price correlation to the quantity the store owner is making jumps of 500, in the table for the purchase forecasting but the formula is p(x) = 1000x <--- seems to be suggesting the price is $1000 for say 1 cup? I mean... those are really expensivle disposable cups there, not even gold cups would cost ... actually maybe =)

OpenStudy (jdoe0001):

on the other hand.... of the spectrum to say get 500 cups from 1000x x = 0.5 or p(x) = 1000 ( 0.5) => 500 but that means that 500 cups are $0.50 ? sorta too cheap too

OpenStudy (jdoe0001):

unless they mean 1,000 pesos or lires I think that's still too expensive but would be more plausible =)

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