Solve.The following table shows per capita health care expenditures (in dollars) from 2003 to 2008.
The logarithmic model that fits this data is E = f(x) = 3130 + 720 ln x, where E represents the per capita health care expenditures and x is the number of years since 2002. Use this model to predict in what year health care expenditures will reach $5,400.
A. 2,025
B. 2,028
C. 2,027
D. 2,026
Answer: D
Mathematics
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Solve. = -15
A. -112 B. 224 C. 112 D. no real-number solution
Mathematics
Evaluate the function.If r(x) = , find r(-5).
A. 0
B.
C. 5
D. -
Mathematics
Solve the equation.-3x = 22 - 7
A. 22 B. 14 C. -5 D. 18
Mathematics
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Mathematics