Provide an appropriate response.The total number of reported cases of AIDS in the United States has risen from 372 in 1981 to 100,000 in 1989 and 200,000 in 1992. Does a linear equation fit this data? Explain.
What will be an ideal response?
No, the data cannot be modeled by a linear equation because the reported cases are not increasing at a constant rate. Assume a linear equation, and examine the slope of the two line segments. The slope of the segment from (0, 372) to (8, 100,000) is 12,453.5 while the slope of the segment from to
is 33,333.
.(Explanations will vary.)
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Provide an appropriate response.Oil consumption is increasing at a rate of 2.6% per year. By what factor will oil consumption increase in Use the approximate doubling time formula (rule of 70).
A. 2.68 B. 1.08 C. 15.6 D. 1.01
Find the area.
A. 744 ft2 B. 372 ft2 C. 480.5 ft2 D. 573.5 ft2
Determine whether the relation represents a function. If it is a function, state the domain and range.{(8.66, 9.86), (8.666, -9.9), (, 0), (1.29, -8)}
A. function
domain: {9.86, -9.9, 0, -8}
range: {8.66, 8.666, , 1.29}
B. function
domain: {8.66, 8.666, , 1.29}
range: {9.86, -9.9, 0, -8}
C. not a function
Write the point-slope form in slope-intercept form.y - 6 = -9(x + 4)
A. y = -9x - 38 B. y = 9x - 32 C. y = -9x - 31 D. y = -9x - 30