Find the exact value of the trigonometric function. Do not use a calculator or tables.cot (- ? )
A. 0
B. -1
C. 1
D. Undefined
Answer: D
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Determine if the following is a linear equation in one variable. If not, state why not.8x + 3x + 5
A. It is not a linear equation in one variable because it is nonlinear. B. It is not a linear equation in one variable because it has more than one variable. C. It is a linear equation in one variable. D. It is not a linear equation in one variable because it is not an equation.
Find the requested value of the second derivative of the function.f(x) = x4 + 2x3 - 4x + 6; Find f"(-1).
A. 1 B. 4 C. 0 D. -5
Select the first five terms of the sequence. (Assume that n begins with 1.)
?
?
A. 
?
B.
?
C.
?
D.
?
E.
?
Determine if the lines parallel, perpendicular, or neither.L1: x + y = -8L2: x - y = 7
A. perpendicular B. neither C. parallel