October 9th, 2011, 08:57 AM  #1 
Member Joined: Nov 2010 Posts: 97 Thanks: 1  Function: Graph
When solving a graph, does it contain the same method as regular functions? Like for example, finding the input and output? I believe there are four different ways to solving functions. • Verbally (in words) • Algebraically (by formula) • Visually (by a graph) • Numerically (by tables of values) < I have trouble with understanding that concept. Although, when it comes to graphs, does that rule still apply? How would I begin solving this graph? 
October 9th, 2011, 09:21 AM  #2 
Math Team Joined: Nov 2010 From: Greece, Thessaloniki Posts: 1,990 Thanks: 133 Math Focus: pre pre pre pre pre pre pre pre pre pre pre pre calculus  Re: Function: Graph [color=#000000]In this case visually![/color] 
October 9th, 2011, 09:36 AM  #3 
Member Joined: Nov 2010 Posts: 97 Thanks: 1  Re: Function: Graph
Thank you. When I start evaluating for AD, do I plug in those numbers? If so, where? I'm still a bit confused... 
October 9th, 2011, 09:39 AM  #4 
Math Team Joined: Nov 2010 From: Greece, Thessaloniki Posts: 1,990 Thanks: 133 Math Focus: pre pre pre pre pre pre pre pre pre pre pre pre calculus  Re: Function: Graph [color=#000000]For (a) for example h(3)=5 and h(1)=3 (look at the table for the values) and so h(3)h(1)=2.[/color] 
October 9th, 2011, 10:55 AM  #5 
Global Moderator Joined: Dec 2006 Posts: 20,654 Thanks: 2087 
For what it's worth, the graph matches that of h(x) = (x + 2)(x  2)².

October 9th, 2011, 11:26 AM  #6 
Member Joined: Nov 2010 Posts: 97 Thanks: 1  Re: Function: Graph
Alright, I solved and my answers are: (a) Evaluate h(3)?h(1)= (b) Evaluate h(2)?h(?1)= (c) Evaluate 3h(?2)= d) Evaluate h(2)+6= 
October 9th, 2011, 11:33 AM  #7 
Global Moderator Joined: Dec 2006 Posts: 20,654 Thanks: 2087 
You should have omitted use of h after each "=" symbol. (a) h(3) ? h(1) = 5  3 = 2, etc. 
October 9th, 2011, 11:35 AM  #8 
Member Joined: Nov 2010 Posts: 97 Thanks: 1  Re: Function: Graph
Thanks :]


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