Let 3 be a basis for P3 (R). Choose all of the statements that must be true. Please note that more than one answer may be correct. O B contains the zero polynomial. O The polynomial 1+ x can be...

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Extracted text: Let 3 be a basis for P3 (R). Choose all of the statements that must be true. Please note that more than one answer may be correct. O B contains the zero polynomial. O The polynomial 1+ x can be written as a linear combination of the vectors in B. O B contains exactly 3 polynomials. O B is linearly independent. B spans P3 (R).