In order to determine the effects of a new pill that is supposed to reduce hair loss, a researcher conducts a study. Five hundred volunteer subjects (300 men and 200 women) all of which suffer some degree of hair loss are selected to participate in the study. The researcher gives the women the real pill and the men a sugar pill, but only the researcher knows this.In the experiment, which is the placebo group?

A. the 200 women
B. the 300 men
C. the subjects that responded to the treatment
D. There is no placebo group.
E. none of these


Answer: B

Mathematics

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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 

A. x-intercept:  , y-intercept: (0, 2) ;

B. x-intercept:  , y-intercept: (0, 2) ;

C. x-intercept:  , y-intercept: (0, 2) ;

D. x-intercept:  , y-intercept: (0, 2) ;

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A. False B. True

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Provide an appropriate response.Why can't 1 be the base of a logarithmic function?

What will be an ideal response?

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Solve the systems of equations by the addition method. 

A.
B. {(7, -4)}
C. {(9, 3)}
D. no solution; ?

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