Question
Identify constant, linear, quadratic and cubic polynomial from the following polynomials:
$r(x)=3 x^3+4 x^2+5 x-7$
$r(x)=3 x^3+4 x^2+5 x-7$
✓
Answer
$r(x)=3 x^3+4 x^2+5 x-7$ since the degree is 3 , it is a cubic polynomial.
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