Let a?, a?, a?, . . . , an, . . . be a geometric sequence with a? = 3 and r = ?3. Find a?.
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Mathematics
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Determine whether the relation represents a function. If it is a function, state the domain and range.{(-3, -7), (1, 5), (5, -4), (8, -1)}
A. function domain: {-7, 5, -4, -1} range: {-3, 1, 5, 8} B. function domain: {-3, 1, 5, 8} range: {-7, 5, -4, -1} C. not a function
Mathematics
Convert as indicated.26,000 lb to tons
A. 14 tons
B. 13
tons
C. 12 tons
D. 13 tons
Mathematics
Use the Venn diagram below to find the number of elements in the region.
n(A ? B)
A. 14 B. 29 C. 21 D. 11
Mathematics
Find the equation of the line in slope-intercept form. 
A. y = - 3x - 14
B. y = - 3x + 14
C. y = - 3x - 2
D. y = - 
x - 
Mathematics