Which description matches the transformations y=cosx undergoes to produce y= -2cos3x
a....
Mathematics, 28.09.2019 05:20 ceeciliaaa13
Which description matches the transformations y=cosx undergoes to produce y= -2cos3x
a. horizontal compression by factor 1/3, vertical stretch by factor 2, then a reflection through the x-axis
b. reflection through the y-axis, vertical shift of 2 units, horizontal shift right by 3 units
c. horizontal shift 2 units, then vertical shift up by 3 units
d. horizontal stretch by factor 2, reflection through the x-axis, then the vertical stretch by factor 3
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