Day 07 in Mat120

Last time: Savage functions (transformations, compositions, etc.)

Today:

• No new worksheet.

• No problems to return

• Quiz Opportunity

• Roll

• Problems 1.3 collection opportunity

• Questions on old stuff?

• Comments on what we did yesterday:
  • #26, p. 47 - practice with your calculator!
  • Comments on problems #66, p. 49 (can you think of a function which would help you guess the shape?)
  • #42, p. 56 (what is the effect of a non-linear tranformation of the argument?)

    linear transformation:

    the shape is preserved, but it is horizontally stretched or shrunk.

    nonlinear transformation:

    the shape is distorted!

• Section 7.1: Inverse functions
  • Another kind of function obtained from other functions! Do you know any examples?
  • Cricket chirps and temperature (#58, p. 49)
  • worksheet study questions (section summary)
  • Problems:
    • Any that you'd like to see?

Next time: Function Practicum and the CBL

Main Entry: practicum
Pronunciation: 'prak-ti-k&m
Function: noun
Etymology: German Praktikum, from Late Latin practicum, neuter of practicus
practical
Date: circa 1909
: a course of study designed especially for the preparation of teachers and
clinicians that involves the supervised practical application of previously
studied theory