Find the sum of the first five terms of the geometric sequence.a = 16, r = - 
A. 
B. - 
C. - 3157
D. 451
Answer: D
Mathematics
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Use the graph to evaluate the limit.Find 
f(x) and 
f(x)
A. -7; -5 B. -2; -7 C. -5; -2 D. -7; -2
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Find the exact value of the following expression without using a calculator.tan 45°
A. 
B. 
C. 
D. 1
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Solve the equation.x2/3 + 4x1/3 - 5 = 0
A. {-125, 1} B. {-1, 5} C. {-1, 125} D. {-5, 1}
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Rationalize numerator.
A. 
B. 
C. 
- 
D. 
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