$\"\"$

Observe the table:

Find the relationship between $\"\"$ and $\"\"$ .

The value of $\"\"$ is equal to the sum of square of $\"\"$ and $\"\"$ .

$\"\"$

Write an equation:

The equation is $\"\"$ .

$\"\"$

Graph:

The coordinate points are $\"\"$ .

Graph the function $\"\"$ .

$\"\"$

Oberve the graph:

The function is continous.

$\"\"$

a. Each the square of $\"\"$ plus $\"\"$ is the same as $\"\"$ in the same column.

b. The equation is $\"\"$ .

Graph:

Graph the coordinate points are $\"\"$ .

$\"\"$ .

The function is continous.