Find the determinant of the given matrix.
A. 48
B. -90
C. 6
D. -48
Answer: D
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Find the function value.Find f(3) when f(x) = x2 + 3x - 2.
A. 20 B. 2 C. -2 D. 16
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches B. 7 inches C. 37 inches D. 15 inches
Solve the problem.Suppose that demographic studies show that each year about 6% of a city's population moves to the suburbs (and 94% stays in the city), while 4% of the suburban population moves to the city (and 96% remains in the suburbs). In the year 2000, 64% of the population of the region lived in the city and 36% lived in the suburbs. What is the distribution of the population in 2002? For simplicity, ignore other influences on the population such as births, deaths, and migration into and out of the city/suburban region.
A. 58.3% in the city and 41.7% in the suburbs B. 60.5% in the city and 39.5% in the suburbs C. 59.4% in the city and 40.6% in the suburbs D. 61.6% in the city and 38.4% in the suburbs
Round the following number to the nearest tenth and the nearest thousandth.8.3986to the nearest tenth: __________to the nearest thousandth: __________
What will be an ideal response?