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Mapping Rule
Questions (1)
y=1/2cos[1/2(x-30)]-5 has a mapping rule of
a. (1/2x-30, 1/2y-5) b. (2x-30, 1/2y-5) c. (2x-30, 2y-5) d. (2x+30, 1/2y-5)
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Trigonometry
