Evaluate or simplify the given expression.cos (cot-1 x)

A.
B.
C.  
D.


Answer: C

Mathematics

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Add or subtract as indicated. Write the answer in simplest form. + 

A.
B.
C.
D.

Mathematics

Multiply. Simplify if possible.4 ? 1

A. 4
B. 4
C. 5
D. 8

Mathematics

Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of  The graph is shifted up 8 units, reflected about the x-axis, and finally shifted left 7 units.

A. y = - - 8
B. y =  + 8
C. y = - + 8
D. y = - - 8

Mathematics

Determine the domain and the range of the function.f(x) = x2 + 10x + 25

A. domain: all real numbers range: {y|y ? 25} B. domain: {x|x ? -5} range: {y|y ? 0} C. domain: all real numbers range: {y|y ? 0} D. domain: {x|x ? 5} range: {y|y ? 0}

Mathematics