Complete the square to write the function in the form 
f(x) = x2 + 5x + 6
A. f(x) = 
2 + 
B. f(x) = 
2 + 
C. f(x) = 
2 - 
D. f(x) = 
2 - 
Answer: C
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Without graphing the function, determine its amplitude or period as requested.y = 4 sin 3xFind the amplitude.
A. 
B. 
C. 
D. 4
Convert the given polar coordinates of the point to rectangular coordinates.(9, 210°)
A. 
B. 
C. 
D. 
Mark the statement as true or false.The absolute value of any number is positive.
A. True B. False
Solve the problem.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Use a graphing calculator to find the equation of the regression line of the following data. Let x represent entering GPA.Entering GPACurrent GPA 3.53.63.83.73.63.93.63.63.53.93.93.84.03.73.93.93.53.83.74.0
A. y = 0.0212x + 4.91 B. y = 0.0313x + 3.67 C. y = 0.497x + 5.81 D. y = 0.329x + 2.51