An arithmetic sequence is given. Find the common difference and write out the first four terms.{sn} = {8 - 4n}
A. d = 4; s1 = 4, s2 = 8 , s3 = 12 , s4 = 16
B. d = -4; s1 = 4, s2 = 2 , s3 = -2 , s4 = -6
C. d = -4; s1 = 4, s2 = 0, s3 = -4, s4 = -8
D. d = -4; s1 = -4, s2 = -8, s3 = -12, s4 = -16
Answer: C
Mathematics
You might also like to view...
Determine convergence or divergence of the alternating series.
A. Converges B. Diverges
Mathematics
Write the ratio in lowest terms in order to decide whether the proportion is true or false.
= 
A. True B. False
Mathematics
The expression is equal to either 0, 1, or -1. Decide which is correct.(-5)0- 50
A. 1 B. 0 C. -1
Mathematics
Find the domain of the function.f(x) = 
A. {x|x ? 3}
B. {x|x ? 
}
C. {x|x ? 3}
D. {x|x ? 
}
Mathematics