Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.1, -3, 9, -27, 81, ...
A. Geometric; r = 3
B. Arithmetic; d = -4
C. Geometric; r = -3
D. Neither
Answer: C
Mathematics
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Perform the indicated operation and express in lowest terms.
? 
A. 3x + 2
B. -(3x - 2)
C. 
D. -(3x - 2)(x + 5)
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Solve the system of equations by the substitution method. Check your solutions.
A. {(2, 8), (5, 1)} B. {(-2, 8), (-5, 11)} C. {(2, 4), (5, 1)} D. {(4, 2)}
Mathematics
Solve the problem.Two people are 41 years old and 21 years old, respectively. In x years from now, their ages can be represented by 
and 
Use long division to find the ratio of the older person's age to the younger person's age in x years.
A. 1 + 
B. 1.9524
C. 1 + 
D. 1 + 
Mathematics
The given point is on the graph of y = f(x). Find a point on the graph of y = g(x).g(x) = f
; (5, -8)
A. 
B. 
C. (40, 8)
D. (-40, -8)
Mathematics