Complete the identity.tan x ? cot x = ?
A. sin x
B. -1
C. 0
D. 1
Answer: D
Mathematics
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Provide an appropriate response.Factoring x4 - 81 gives
A. (x2 + 9)(x2 + 9) B. (x2 - 9)(x + 3)(x - 3) C. (x2 -9)(x2 - 9) D. (x2 + 9)(x + 3)(x - 3) E. (x + 3)2(x - 3)2
Mathematics
Graph the linear equation by finding and plotting its intercepts.6y = 4x - 14
A. 
B. 
C. 
D. 
Mathematics
Find the percent.3.3 is what percent of 4?
A. 82.5% B. 83.5% C. 87.5% D. 80.5%
Mathematics
If an object is dropped from a high cliff or a tall building, then the distance it has fallen after t seconds is given by the function f(t) = 16t². Find its average speed (average rate of change) over the following intervals:
(i) Between 1 s and 6 s (ii) Between t = c and t = c+h
Mathematics