Find a general term an for the geometric sequence.a1 = 
, r = 4
A. an = 
n-1
- 
B. an = 
+ 
(n - 1)
C. an = 
- 
(n - 1)
D. an = 
? 4n-1
Answer: D
Mathematics
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Solve the problem.The sum of a number and 8 times its reciprocal is 6. Find the number.
A. 4 B. 2 C. 5 D. 2 or 4
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Write with rational exponents and then apply the properties of exponents. Assume that all radicands represent positive real numbers. Give answers in exponential form.
A. 
B. 
C. 
D. x11/2
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find tan(2?).
A. 
B. 
C. - 
D. - 
Mathematics
Solve the formula for the specified variable.
+ 
= 
for c
A. c = a + b
B. c = 
C. c = 
D. c = ab(a + b)
Mathematics