每日一题

Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

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：

Choice D is correct.