Find the indicated term of the geometric sequence.a2 = 3, r = 
; Find a4.
A. 10
B. 
C. 27
D. 
Answer: D
Mathematics
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ x
)
A. 5 + 5x
B. 5 + x
C. 5 + 5x
D. 10 + x
Mathematics
Find the torsion of the space curve.r(t) = 
i + 3tj + 
k
A. ? = 
B. ? = 
C. ? = - 
D. ? = 
Mathematics
Find the exact value of the following expression without using a calculator.tan 
A. - 
B. - 
C. - 
D. 
Mathematics
Multiply.-4(-3)(0)(8)
A. -96 B. 96 C. 0 D. 86
Mathematics