2cos^2 x + 3cosx + 1 = 0
solve on the interval {0,2pi}
a. x= pi/6 , x = 7pi/6
b. x= pi, x = 2pi/3, x = 4pi/3
c. x = 2pi, x = pi/3
d. x = 2pi, x = pi/4, x= 5pi/4

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Which of the choices shown could be used to prove that aacp=abcp ?

Which of the following represents the range of the graph of f(x) below