Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 4, a1 = 18, r = 2
A. 270
B. 126
C. 252
D. 144
Answer: A
Mathematics
You might also like to view...
Find the domain and range of the inverse of the given function.f(x) = x4 + 9, x ? 0
A. Domain and range: all real numbers B. Domain: [9, ?); range: [0, ?) C. Domain: (-?, 0]; range: (-?, 9] D. Domain: [0, ?); range: [9, ?)
Mathematics
Compute.-?24?
A. - 
B. 24
C. 0
D. -24
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.logw
A. logw11 +logwx + logw2 B. logw11 +logwx - logw2 C. logw9x D. logw11x -logw2
Mathematics
Add or subtract as indicated.
- 3
A. -2
B. 3
C. 2
D. -2
Mathematics