Determine whether the sequence is geometric.an = 4
n
A. Geometric
B. Not geometric
Answer: A
Mathematics
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Find a formula for the inverse of the function described below.A size-4 dress in Country C is size 40 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = x - 16
D. f-1(x) = 
+ 16
Mathematics
Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant I
Find cos 2?.
A. - 
B. 
C. 
D. 
Mathematics
Convert.0.72 m = ___ km
A. 0.00072 B. 72 C. 0.0072 D. 720
Mathematics
For the given functions f and g , find the indicated composition.f(x) = 
,g(x) = - 
(g?f)(x)
A. 
B. - 
C. 
D. - 
Mathematics