Decide whether or not the given equation is an identity.cos 2x = sin 2x tan x
A. Yes
B. No
Answer: B
Mathematics
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Find the amount of the ordinary annuity rounded to the nearest cent.
A. $603,699.89 B. $449,699.87 C. $265,824.88 D. $420,952.27
Mathematics
Use the graph of the relation to identify the domain and range.y = x3 + 1
A. domain: (-?, ?) range: (-?, ?) B. domain: (-1, ?) range: (-?, ?) C. domain: (1, ?) range: (-?, ?) D. domain: (-?, ?) range: (1, ?)
Mathematics
Determine if the function is increasing or decreasing over the interval indicated.y = -8x4 ; x < 0
A. Decreasing B. Increasing
Mathematics
Given f(x) and g(x), perform the indicated operation.f(x) = 
; g(x) = 
Find 
(x).
A. 
, x ? -11
B. 
, x ? 11
C. 
, x ? 11
D. 
, x ? 6
Mathematics