Determine if each equation is a function.
$y=2x+3$

Find the domain of the following function.

$y=x^3-2x+1$

Find the domain of the following function.

$y=\sqrt{x-3}$

State the inputs and outputs of the following relation. Is it a function?

$\{(-3,5),(0,2),(3,5)\}$

State the inputs and outputs of the following relation. Is it a function?

$\{(2,5),(0,2),(2,9)\}$

Determine if each equation is a function.

$y=7$

Determine if each equation is a function.

$x=-100$

Find the domain and range for each relation.

(A) $\{(-4,2),(-3,-5),(3,4),(5,-2)\}$

Find the domain and range for each relation.

(B)