For the point given in rectangular coordinates, find equivalent polar coordinates  for  and (0, -9)

A. (9, 180°)
B. (-9, 0°)
C. (9, 90°)
D. (9, 270°)


Answer: D

Mathematics

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Without graphing the function, state the shift(s) that are applied to the graph of  to graph the given function. If the graph of  must be rotated about the x-axis, state this.f(x) = (x + 6)2 + 10

A. left 6 units, down 10 units B. right 6 units, up 10 units C. right 6 units, down 10 units D. left 6 units, up 10 units

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Find the slope of a line tangent to the curve of the given equation at the given point.y = 6 - x + 3; (36, 3)

A. 21
B.  
C. 3
D. - 

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Graph the function.y = sec 2

A.

B.

C.

D.

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Solve the system of linear equations.

A. no solution B. (-1, 4, 1) C. (-1, 1, 4) D. (4, 1, -1)

Mathematics