The nth term of a sequence is given. Find the first 4 terms.an = n2 - 2
A. -1, 2, 5, 14
B. -1, -4, 7, 14
C. 7, 10, 11, 18
D. -1, 2, 7, 14
Answer: D
Mathematics
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Find the sum of the series.
A. -70 B. 2401 C. 70 D. 14
Mathematics
Find the matrix product, if possible.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 4x2 - 24x + 72. Find the number of automobiles that must be produced to minimize the cost.
A. 6 thousand automobiles B. 12 thousand automobiles C. 3 thousand automobiles D. 36 thousand automobiles
Mathematics
Write out the sum.
A. 4 + 42 + 43 + ... + 4n+1 B. 42 + 43 + 44 + ... + 4n+1 C. 42 + 43 + 44 + ... + 4n D. 4 + 42 + 43 + ... + 4n
Mathematics