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Mathematics 12 Online
OpenStudy (anonymous):

Explain how the graph of R(x)=-3tan is related to the graph of the basic trigonometric function f()=tanx part I: What kind of reflection does the basic function experience? Part II: What is the vertical factor of the factor R(x)? Part III: What is the horizontal stretch factor R(x)? Part IV: What is the period of the function R(x)?

OpenStudy (welshfella):

the negative produces a reflection in the x-axis

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