Solve.The concentration of a certain gas molecule in the atmosphere serves as an indicator of industrial air pollution. The data in the following table show the relationship of the estimated concentration of the molecule in the atmosphere, in parts per billion (ppb), to the year.
Determine the linear, quadratic, or cubic function that best fits the data.
A. f(x) = 0.00001x3 - 0.003x2 + 0.14x + 2.16
B. f(x) = 0.002x + 2.90
C. f(x) = -0.003x2 + 0.12x + 2.19
D. f(x) = -0.002x2 + 0.12x + 2.19
Answer: A
Mathematics
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A. 
s
B. 
s
C. 
s
D. 
s
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Reduce the fraction by finding a common factor in the numerator and in the denominator and dividing by the common factor.
A. 
B. 
C. 
D. 
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Find the GCF.80x3, 20x4, and 75x6
A. 5x3 B. 5x C. 5x4 D. 5x6
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Provide an appropriate response.Is 
= 9?
Fill in the blank(s) with the appropriate word(s).
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