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Identify constant, linear, quadratic and cubic polynomials from the following polynomials: `q(x)=4x+3` (ii) `r(x)=3x^3+4x^2+5x-7`

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`q(x)=4x+3` , is a linear polynomial as the degree of polynomial is 1.
(ii)`r(x)=3x^3+4x^2+5x-7`is a cubic polynomial as the degree of polynomial is 3.
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