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試卷名稱：無年度 - 主題課程_線性映射：判斷線性#107849
科目：主題課程專用
Which of the following is a linear operator?
(A) T : R→R where T(x) = 40 + 3 for any I E R.
(B) T:T2→R2 where 
for any vector x∈ R2?.
(C) T : P →P where T(f(x)) = f(x)(x2 + 1) for any polynomial f(x) ∈ P.
(D) T : 
where T(f(x)) = f'(x)+ f(x) for any differentiable function
f(x) ∈ C(R).
(E) None of the above.