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Algebra 2MediumPolynomial Functions

Polynomial Functions · Medium problem

Let A(x)=3x4−2x3+5x−1A(x) = 3x^4 - 2x^3 + 5x - 1 and B(x)=−3x4+x3−5x+7B(x) = -3x^4 + x^3 - 5x + 7. What is the degree of A(x)+B(x)A(x) + B(x)?