Asked by Anonymous
Janine, a science student, measured the volume of carbon dioxide gas that can be absorbed by one cubic centimeter of charcoal at pressure x. She made the following four sets of measurements:
(120, 3.1)
(340, 5.5)
(534, 7.1)
(698, 8.3)
Janine finds that the volume, f(x), to be a function of pressure, x, and decides to use the formula discussed earlier in this project to fit her data. Recall that the formula is:
f(x) = A + B(x – xo) + C(x – xo)(x – x1) + D(x – xo)(x – x1)(x – x2)
where A, B, C, and D are constants, while xo, x1, x2 are the x-coordinates of three of the data points given.
When we use Janine’s data, what would the value of A be?
120
340
5.5
3.1
None of those answers worked when I tried.
(120, 3.1)
(340, 5.5)
(534, 7.1)
(698, 8.3)
Janine finds that the volume, f(x), to be a function of pressure, x, and decides to use the formula discussed earlier in this project to fit her data. Recall that the formula is:
f(x) = A + B(x – xo) + C(x – xo)(x – x1) + D(x – xo)(x – x1)(x – x2)
where A, B, C, and D are constants, while xo, x1, x2 are the x-coordinates of three of the data points given.
When we use Janine’s data, what would the value of A be?
120
340
5.5
3.1
None of those answers worked when I tried.
Answers
Answered by
Hannah
It's 3.1
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