At the risk of sounding stupid, I don't understand the following comment. Are you saying that it is harmful for students to be able to visualize a function?
>From: MX%"firstname.lastname@example.org" 3-DEC-1995 13:17:17.16 >To: MX%"email@example.com" >CC: >Subj: [CALC-REFORM:3071] functions > >THE IDENTIFICATION OF A FUNCTION WITH ITS GRAPH IS ONE OF THE >MOST HARMFUL THINGS WE CAN DO IN TERMS OF THE DEVELOPMENT OF >A STUDENT'S UNDERSTANDING OF FUNCTION. > >--- Mark (firstname.lastname@example.org) >I ee. My physics teacher get confused when he taught us d-t graph when a body >accelerates. the shape of graph can also be cubic and so on.
Ron Vavrinek Illinois Mathematics and Science Academy Math Team Leader 1500 W. Sullivan Road email@example.com Aurora, IL 60506 (708) 907-5964
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