Write each expression in factored form as an algebraic expression of a single trigonometric function.4 cot 2 x - 
+ cos x sec x
A. (2 cot x - 1)2
B. (4 tan x + 1)(tan x + 1)
C. 1
D. (2 tan x - 1)(2 tan x + 1)
Answer: A
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 10, u '(2) = 3, v(2) = -1, v '(2) = -4.
(3v - u) at x = 2
A. -15 B. 7 C. -9 D. -13
Mathematics
Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (4, ?) B. (-?, 4) C. (-4, ?) D. (-?, -4)
Mathematics
Determine whether the vectors 
and 
are equivalent.A(4, 7) , B(-1, 13), C(0, 0), and D(-5, 6)
A. Not equivalent B. Equivalent
Mathematics
Solve the problem.Solve for m in terms of the other variables.
A. m = n2 - p2
B. m = 
C. m = 
D. m = 
Mathematics