Question 728507
Plug in each x to get a corresponding y value. 


So for instance, when x = 0, 


{{{y = sqrt(x)}}}


{{{y = sqrt(0)}}} Plug in x = 0


{{{y = 0}}} Take the square root of 0 to get 0


So when x = 0, y is y = 0


This is one row in your table.

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Another example: When x = 4


{{{y = sqrt(x)}}}


{{{y = sqrt(4)}}} Plug in x = 4


{{{y = 2}}} Take the square root of 4 to get 2


So when x = 4, y is y = 2


So another row will have 4, then 2


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Last example: When x = 6


{{{y = sqrt(x)}}}


{{{y = sqrt(6)}}} Plug in x = 4


{{{y = 2.449}}} You'll have to use a calculator here to get an approximation


So when x = 6, y is y = 2.449


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You use these steps to generate the y value of each of the x values.


Doing so will give you this table


<TABLE BORDER=1 CELLPADDING=10>
<TR>
  <TH>x</TH>
  <TH>y</TH>
</TR>
<TR>
  <TD>0</TD>
  <TD>0</TD>
</TR>
<TR>
  <TD>1</TD>
  <TD>1</TD>
</TR>
<TR>
  <TD>2</TD>
  <TD>1.414</TD>
</TR>
<TR>
  <TD>3</TD>
  <TD>1.732</TD>
</TR>
<TR>
  <TD>4</TD>
  <TD>2</TD>
</TR>
<TR>
  <TD>6</TD>
  <TD>2.449</TD>
</TR>
<TR>
  <TD>9</TD>
  <TD>3</TD>
</TR>
<TR>
  <TD>12</TD>
  <TD>3.464</TD>
</TR>
<TR>
  <TD>16</TD>
  <TD>4</TD>
</TR>

</TABLE>