Find the amplitude or vertical shift as requested.Find the vertical shift of f(x) = 2? + 2 cos x
A. 
B. 2
C. ?
D. 2?
Answer: D
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Provide an appropriate response.At the two points (x, y) where the graph of the equation x2 - xy + y2 = 4 crosses the x-axis, the tangent lines are parallel. Find the common slope of these tangents.
A. 2 B. -2 C. -1 D. 1
Plot the point whose polar coordinates are given.(-2, 405°)
A. 
B. 
C. 
D. 
The information below refers to triangle ABC.
?
inches. Find all the missing parts.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 
inches, 
inches
B. 
inches, 
inches
C. 
inches, 
inches
D. 
inches, 
inches
E. 
inches, 
inches
Use a calculator to find an approximation for the power. Round the answer to seven decimal places if necessary.4.6
A. 1.6631035 B. 9.8659009 C. 14.0582168 D. 0.1013592