Find a formula for the nth term of the sequence.7, -7, 7, -7, 7 (7's with alternating signs)
A. an = 7(-1)2n+1
B. an = 7(-1)2n-1
C. an = 7(-1)n+1
D. an = 7(-1)n
Answer: C
Mathematics
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Change the equation to rectangular coordinates and then graph.
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Mathematics
Find the whole.19 waiters is 3% of what number of waiters?
A. 57 waiters B. 63 waiters C. 6330 waiters D. 633 waiters
Mathematics
Determine the average value of f(x) over the interval from x = a to x = b. f(x) = e-x; a = 0, b = 4
A. 1 - e-4
B. 
C. 
D. e-2
Mathematics
A man wanted to board a plane with a 4.3-ft-long steel rod, but airline regulations say that the maximum length of any object or parcel checked on board is 4 ft. Without bending or cutting the rod, or altering it in any way, how did the man check it through without violating the rule?
What will be an ideal response?
Mathematics