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markpop
markpop
05.01.2021 • 
Mathematics

The table shows number of hours spent in the sun weekly, x, and the the concentration of vitamin D3 in person's blood (in nanograms per milliliter), y. Which statements are correct?

A)1 hour of sunlight weekly yields about 29 ng/ml of D3.
B)2 hour of sunlight weekly yields about 36 ng/ml of D3.
C)9 hours of sunlight weekly yields about 68 ng/ml of D3.
D)The function y = 4.32x + 24.55 can be used to model the data.
E)The data shows the dependence of D3 concentration on hours in the sun.

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