Solve.The following table shows a country's population from 1995 to 1998:
Divide the population for each year by the population in the preceding year. Use this ratio to write the general term of the geometric sequence describing the country's population growth n years after 1994. Then estimate the country's population, in millions, in 2005.
A. an = 11.10(1.04)n - 1; 21.84 million
B. an = 11.10(1.05)n - 1; 18.98 million
C. an = 11.10(1.04)n - 1; 20.41 million
D. an = 11.10(1.05)n - 1; 18.08 million
Answer: D
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Solve the inequality. Write the solution set in interval notation.|x + 1| < 2
A. ? B. (-3, 1) C. (-3, -1) D. (-?, -3) ? (1, ?)
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum , using the indicated point in the kth subinterval for ck.f(x) = 2x + 2, [0, 2], left-hand endpoint
A.
B.
C.
D.
Solve the problem. Use 3.14 for ?.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of How far does the skater go one time around the figure eight?
A. 21.98 ft B. 19.98 ft C. 43.96 ft D. 87.92 ft
Provide the appropriate response.Suppose that the complete graph of a cubic function shows that -3, 3, and 8 are the x-intercepts, and the end behavior is described by f(x) ? ? as x ? -? and f(x) ? -? as x ? ?. Find the solution set of f(x) < 0.
A. (-?, -3) ? (3, 8) B. (-?, -3) ? (8, ?) C. (-3, 8) D. (-3, 3) ? (8, ?)