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Mathematics, 23.03.2021 22:00 honeyaranda326pay2bl

Sarah is demonstraing the idea that polynomials are closed under addition. Her work and explanation are shown. Select an equation and phrases to complete the statement Part A: Add 30° +63 - 7 to Equation A 21" - (2x) + 42 Equation B (2x) + 4.4.19 Equation c ( 82)-2-(3x)" + 7 Part B: This is closed because of the sum are and the sum is a polynomial.

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Sarah is demonstraing the idea that polynomials are closed under addition. Her work and explanation...
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