Find the Taylor series for the given function.f(x) = cos2 7x
A. 
+
B. 
+
C. 
+
D. 
+
Answer: A
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Solve the equation. Give a general formula for all the solutions.tan ? = 
A. 
B. 
C. 
D. 
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 8x6 - 5x4 - 6x3 + 6x2 - 5x
A. 1 or 3 positive; 2 negative B. 0 or 2 positive; 1 or 3 negative C. 0 or 2 positive; 0 negative D. 1 or 3 positive; 0 or 2 negative
Simplify the expression 
a. 3 b. 0 c. -9 d. -81
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 the equation of the least squares line to predict the current GPA of a student whose entering GPA is 2.5. Entering GPA (x) Current GPA(y) 3.53.63.83.73.63.93.63.63.53.93.93.84.03.73.93.93.53.83.74.0
A. 3.55 B. 3.37 C. 3.75 D. 3.26