Solve the problem.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Art, Ben, and Cal
B. Art
C. Ben
D. Art and Ben
Answer: D
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?If x is the LCM of y and z, and given that w does not divide x or y, then which of the following is not necessarily true?
A. x is the LCM of y and wz. B. ?wx is the LCM of wy and z. C. ?wx is the LCM of w, y, and z. D. ?wx is the LCM of w, wy, and z. E. ?None of the above.
?Which of the following is a definition of a translation transformation?
A. ?The shape moves in n? rotations about a point or a line. B. ?The shape flips about a line. C. ?The shape moves along a horizontal line and changes into a proportional size. D. ?The shape moves along a horizontal and/or vertical line, maintaining its original shape and size. E. ?The shape moves 90? around a point.
Rewrite the series using summation notation. Use 1 as the lower limit of summation.52 + 103 + 154 + . . . + 409
A. 
B. 
C. 
D. 
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = -2 cos 7x ; g(x) = cos x
A. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across x-axis
B. Horizontal shrink by a factor 
, vertical stretch by a factor of 2, reflection across y-axis
C. Horizontal shrink by a factor 
, vertical stretch by a factor of 7, reflection across y-axis
D. Horizontal stretch by a factor 7, vertical stretch by a factor of 2, reflection across x-axis