Use the given information given to find the exact value of the trigonometric function.cos ? = ,? lies in quadrant IVFind cos .

A. - 
B. - 
C.
D.

Answer: B

Mathematics

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Solve the equation. = 9

A.
B. {9}
C.
D.

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Provide an appropriate response.If z = y, then  =

A.  + .
B. .
C.  + .
D. (2x + 6)y.
E. .

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Mathematics

Graph the piecewise linear function.f(x) = 

A.

B.

C.

D.

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Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 2

A. maximum; 0 B. minimum; 2 C. maximum; 2 D. minimum; 0

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Mathematics