A geometric sequence is given. Find the common ratio and write out the first four terms.{sn} = 
A. an = 2 n-1
r = ; s1 = 2, s2 = 1, s3 =
, s4 =
B. an = 2 ? (2)n-1
r = 2; s1 = 2, s2 = 4, s3 = 8, s4 = 16
C. an = (2)n-1
r = ; s1 = 2, s2 = 4, s3 = 8, s4 = 16
D. an = 2 n-1
r = ; s1 = 2, s2 =
, s3 =
, s4 =
Answer: A
You might also like to view...
Use the frequency table below to answer the following question(s).
If the median of the data set is 6, then x satisfies
A. 3 ? x < 6 B. 0 ? x < 3 C. 12 ? x D. 9 ? x < 12 E. 6 ? x < 9
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = x3 - 3x + 1, (-2, 2)
A. local maximum at (1, -1) local minimum at (-1, 3) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) B. local maximum at (-1, 3) local minimum at (1, -1) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) C. local maximum at (1, -1) local minimum at (-1, 3) increasing on (-2, -1) decreasing on (-1, 1) D. local maximum at (-1, 3) local minimum at (1, -1) increasing on (-1, 1) decreasing on (-2, -1) and (1, 2)
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 21°B = 20°a = 13.8
A. C = 140°, b = 25.3, c = 13.2 B. C = 140°, b = 13.2, c = 25.3 C. C = 139°, b = 25.3, c = 13.2 D. C = 139°, b = 13.2, c = 25.3
Solve.4n - 3 = 33
A. n = 11 B. n = 36 C. n = 32 D. n = 9