Find the common ratio r for the given infinite geometric sequence.1, -3, 9, -27, 81, . . .
A. - 
B. -4
C. -3
D. 3
Answer: C
Mathematics
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Use a graphing calculator or computer to determine which of the given viewing windows displays the most appropriate graph of the specified function.f(x) = 2 cos 60x
A. [-1, 1] by [-4, 4] B. [-10, 10] by [-10, 10] C. [-0.2, 0.2] by [-1, 1] D. [-0.2, 0.2] by [-4, 4]
Mathematics
Simplify the expression by combining like terms. 27.4x - 6.0 - 11.7x + 15.2
A. 16.7x + 9.2 B. 15.7x + 9.2 C. 24.9x D. 15.7x + 10.2
Mathematics
Classify the equality as an example of the commutative property, the associative property, or both.
?
?
A. associative property B. commutative property C. both properties
Mathematics
Find the following.g'(9) if g(x) = 5
- 
A. 
B. 
C. 
D. 
Mathematics