Find the sum Sn of the first n terms of the geometric sequence. -4, -8, -16, -32, -64, . . . ; n = 8
A. -1040
B. -983
C. -1018
D. -1020
Answer: D
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 5, u '(1) = -6, v(1) = 6, v '(1) = -3.
(3v - u) at x = 1
A. 23 B. 13 C. -15 D. -3
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 1 + (-1)n + (-1)n(n+1)
A. 0 B. 3 C. 1 D. Diverges
Mathematics
Find anand a6 for the following arithmetic sequence.a10 = 40, a11 = 6
A. an = 346 - 34(n - 1), a6 = 142 B. an = 346 + 34(n - 1), a6 = 550 C. an = 346 + 34(n - 1), a6 = 516 D. an = 346 - 34(n - 1), a6 = 176
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics