Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.6th term is -10; 15th term is -46
A. a1 = -30, d = 4, an = an-1 + 4
B. a1 = 10, d = 4, an = an-1 + 4
C. a1 = 10, d = -4, an = an-1 - 4
D. a1 = -10, d = -4, an = an-1 - 4
Answer: C
Mathematics
You might also like to view...
Find the length of the curve.The spiral r = 6?, 0 ? ? ? ?
A. 16((?2 + 1)3/2 - 4)
B. 6
C. 3(?
+ ln (? + 
))
D. 36
Mathematics
Integrate the function f over the given region.f(x, y) = xy over the rectangle 2 ? x ? 5, 4 ? y ? 6
A. 210 B. 70 C. 105 D. 140
Mathematics
Use rational exponents to simplify. Do not use fraction exponents in the final answer. Assume that even roots are of nonnegative quantities.
8
A. 
B. 3x2
C. 
D. 3x8
Mathematics
Determine the number of subsets of the set.A set of vowels of the English alphabet, assuming y is not considered a vowel
A. 18 B. 24 C. 12 D. 32
Mathematics