Unit Three

# Functions

Unit Objective:
Learn the definition of a function and its domain, range, independent and dependent variables; recognize graphs of the basic functions; linear, quadratic, cubic, square root, piecewise, rational, and polynomial.

*All assignments are in Basic Technical Mathematics With Calculus 7th edition by Allyn J. Washington, 2000.

Method of Evaluation:
The unit test will be a pencil and paper quiz taken at your class site. The test will be administered by the instructor or by a proctor. Please see the course schedule for the exact time and date of the unit test.

Objective One
Be able to determine the dependent and independent variable and understand and be able to use f(x) function notation.  Learn the definition of a function.

• Read 3.1, pages 77 -80.
• Complete Work Exercises 3.1, pages 80 - 81 #1 - 13 (odd), 17, 19, 21, 25, 33, 37.
• Quick Review sheet 3-1.

Objective Two
Learn the definition of domain and range and be able to use them.

• Read 3.2, pages 81 - 84.
• Complete Work Exercises 3.2, pages 84 - 85 #1 - 17 (odd), 23.
• Quick Review sheet 3-2.

Objective Three
Be able to locate points on the rectangular coordinate system.

Objective Four
Be able to graph a function.

• Read 3.4, pages 88 - 91.
• Complete Work Exercises 3.4, pages 92 - 93 #1-19 (odd), 25, 29, 35-37 (odd), 49, 51, 53-56 (all).
• Quick Review sheet 3-4.

Worksheets