Question 143592
<pre><font size = 4 color = "indigo"><b>
{{{y=2^x}}}

{{{graph(200,400,-6,4,-1,18,2^x)}}}

That's increasing because it goes up to the right.

{{{y=(1/2)^x}}}

{{{graph(200,400,-4,6,-1,18,.5^x)}}}

That's decreasing because it goes down to the right.

{{{y=log(2,x)}}}

{{{graph(200,400,-4,6,-9,9,log(2,x))}}}

That's increasing because it goes up to the right.

{{{y=log(1/2,x)}}}

{{{graph(200,400,-4,6,-9,9,log(1/2,x))}}}

That's decreasing because it goes down to the right.

Edwin</pre>