Classify the following as a constant,linear,quadratic,or cubic polynomial:
$3x^3$

Find $p(1)$,$p(2)$,and $p(4)$ for the polynomial $p(x) = x^3 + 9x^2 + 23x + 15$.

Classify the following polynomial as a polynomial in one variable,two variables,etc.:
$x y + y z + z x$

By the Remainder Theorem,find the remainder when $p(x)$ is divided by $g(x)$,where $p(x) = x^{3} - 6x^{2} + 2x - 4$ and $g(x) = 1 - \frac{3}{2}x$.

Write the coefficient of $x^{2}$ in the following polynomial:
$7 x^{3}-11 x+24$

Classify the following as linear,quadratic,or cubic polynomial: $x^{2}-9x+14$.