Question 12 • Mathematics III
The coefficient 0.35 outside the cosine makes a vertical compression by a factor of 0.35. The 8 multiplying the parentheses changes the period from 2π to 2π ÷ 8 = π/4, which is a horizontal compression. Since the expression is x − π/4, the graph shifts π/4 units to the right. These transformations match choice B.
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