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sat考试题及答案

一、单项选择题（每题2分，共10题）

1.Thefunction\(f(x)=3x+5\).Whatis\(f(2)\)?

A.7B.11C.13D.16

2.If\(x+3=7\),whatisthevalueof\(x\)?

A.3B.4C.5D.6

3.Theareaofacirclewithradius\(r\)isgivenby\(A=\pir^{2}\).If\(r=4\),whatisthearea?

A.\(16\pi\)