The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?

?

A.
B. ?
C. ?
D. ?
E. ?


Answer: C

Mathematics

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Solve the problem.The data below gives the eye colors of 20 students in a Statistics class. Make a frequency table for the data. 

A.  

B.  

C.  

D.  

E.

Mathematics

Simplify the expression. If any variables are present, assume that they are positive. ? 

A. 4
B. 4x
C. x
D.

Mathematics

Find an equation of variation if the following conditions exist.Suppose that y varies directly as z and y = 10 when z = 80.

A. y = z
B. y = 8z
C. y = -2z
D. y = - z

Mathematics

Answer the following statement(s) true (T) or false (F)

For the AP Statistics examination, students must understand experimental study design as well as survey study design.

Mathematics