The general term of a sequence is given. Find the indicated partial sum.a1 = 3, an = an - 1 + 6 for n ? 2; S5
A. 55
B. 100
C. 75
D. 85
Answer: C
Mathematics
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Suppose f is a linear function and that 
. Then the slope of f is negative.
Answer the following statement true (T) or false (F)
Mathematics
Answer appropriately.The cost of renting an automobile is $31 dollars per day plus $0.09 per mile. Express the cost c(x) of renting a car for the day as a function of the miles driven x.
A. c(x) = 31x + 0.09 B. c(x) = 0.09x + 31 C. c(x) = -0.09x + 31 D. c(x) = 0.09x - 31
Mathematics
For an election with 4 candidates (A, B, C, and D) we have the following preference schedule:
Using the plurality ranking method, which candidate comes in last?
A. A B. B C. C D. D E. none of these
Mathematics
Find the value of the determinant.
A. -5 B. -7 C. 5 D. -1
Mathematics