Solve, finding all solutions.cot x = 
(Express your answer in degrees.)
A. 60° + k ? 360° and 240° + k ? 360°, where k is any integer
B. 60° + k ? 360° and 210° + k ? 360°, where k is any integer
C. 30° + k ? 360° and 210° + k ? 360°, where k is any integer
D. 30° + k ? 360° and 240° + k ? 360°, where k is any integer
Answer: C
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Choose the value which could represent the slope of the line. Assume that the scale on the x-axis is the same as the scale on the y-axis.
A. 1
B. 0
C. undefined
D. 
Determine whether the equation defines y as a function of x.y = x2 + 1
A. Yes B. No
The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
x2 = y -1y = -2x + 16
A. Yes B. No
Draw the graph.  figure 2.png)
 figure 1.png)