Identify constant, linear, quadratic abd cubic polynomial from the following polynomials :
1. $f(x)=0$
2. $g(x)=2 x^{3}-7 x+4$
3. $h(x)=-3 x+1 / 2$
4. $p(x)=2 x^{2}-x+4$
5. $\mathrm{q}(\mathrm{x})=4 \mathrm{x}+3$
6. $r(x)=3 x^{3}+4 x^{2}+5 x-7$
Given,
1. $f(x)=0$ as 0 is constant, it is a constant variable
2. $g(x)=2 x^{3}-7 x+4$ since the degree is 3 , it is a cubic polynomial
3. $h(x)=-3 x+1 / 2$ since the degree is 1 , it is a linear polynomial
4. $p(x)=2 x^{2}-x+4$ since the degree is 2 , it is a quadratic polynomial
5. $q(x)=4 x+3$ since the degree is 1 , it is a linear polynomial
6. $r(x)=3 x^{3}+4 x^{2}+5 x-7$ since the degree is 3 , it is a cubic polynomial
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