Education Technology

MM CAS 2002 Exam 1 Part 1 : Sample Solutions Q8 - Q13

Published on 07/23/2005

Activity Overview

This activity, which acts as a learning review, is a solution of the questions 8 - 13 of the MM CAS 2002 Exam 1 Part 1. Students use the Derive software to solve problems.

Before the Activity

See the attached PDF / DFW file for solutions to the questions, and print the file for the class.

During the Activity

Distribute the printed pages to the class.

In this activity, students will:

  • Observe the first and second differences, and the rate of increase to rule out options from the given choices
  • Use Derive to check the table of values for each alternative
  • Understand the definition of inverse functions
  • Realize that inverse functions are symmetrical about the line y = x
  • Recognize the fact that for a function to have an inverse, the set A must be a subset of R such that the function has one-to-one correspondence over A
  • After the Activity

    Review student results:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary