2-01 Determining Polynomial Functions

Determine if the function is a polynomial.
 $f\left(x\right)=5x^{-3}-14$  

Determine if the function is a polynomial.
 $f\left(x\right)=-8x^3+14+15x^4+x^9+17x^2$  

Determine if the function is a polynomial.
 $f\left(x\right)=\sqrt{8x^{12}+27x^3}$  

Determine if the function is a polynomial.
 $f\left(x\right)=12-13x-5x^2+10x^3-17x^4$  

Determine if the function is a polynomial.
 $f\left(x\right)=\frac{12-13x}{4-x^2}$  

Determine if the function is a polynomial.
 $f\left(x\right)=9x^4+7x^3-8x^2+5$  

Determine if the function is a polynomial.
 $f\left(x\right)=5+2^x$  

What is the degree of the polynomial?   
 $f\left(x\right)=9x^4+7x^3-8x^2+5$  

What is the leading coefficient of the polynomial?   
 $f\left(x\right)=9x^4+7x^3-8x^2+5$  

What is the constant of the polynomial?   
 $f\left(x\right)=9x^4+7x^3-8x^2+5$