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Writing & Language

Q(x)=P(2x)/2

In the equation shown above, Q and P are functions. If (x0,y0) is a point on the graph of y=Q(x), which of the following is a point on the graph of y=P(x)?

A.(x0,y0)
B.(2x0,y0/2)
C.(x0/2,2y0)
D.(2x0,2y0)

答案和解析

答案：D

解析：