Math141HW1B

Math141HW1B - (Exercises for Chapter 1: Functions) E.1.1...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (Exercises for Chapter 1: Functions) E.1.1 CHAPTER 1: Functions (A) means refer to Part A, (B) means refer to Part B, etc. (Calculator) means use a calculator. Otherwise, do not use a calculator. SECTION 1.1: FUNCTIONS #1-2. Finding function rules. Find a function rule of the form f x ( ) = (expression in x ) that is consistent with the input-output machines. (D) 1) 5 f 5 f 14.7 f 14.7 2) 6 f 6 3 f 3 2 3 f 2 3 #3-8. Evaluating functions using tables. Fill out the tables. Give exact values unless otherwise specified. (D, F) 3) Let f x ( ) = x + 4 . ( h is a constant or a variable, not a function) Input x Output f x ( ) 1 0 1 2 5 10/3 4.7 c a + h 4) Let f x ( ) = 2 x . ( h is a constant or a variable, not a function) Input x Output f x ( ) 1 0 1 2 5 10/3 4.7 c a + h (Exercises for Chapter 1: Functions) E.1.2 5) Let g t ( ) = t 2 9 t + 5 . Input t Output g t ( ) 2 1 0 1 2 c 6) Let h r ( ) = 9 r 4 . Input r Output h r ( ) 2 1 0 1 2 c 7) Let V r ( ) = 4 3 r 3 . Input r Output V r ( ) 1 2 5/2 c (If r > , how can V r ( ) be interpreted geometrically?) 8) Let f x ( ) = 7 . Input x Output f x ( ) 1 2 5/2 c (Exercises for Chapter 1: Functions) E.1.3 #9-17. Finding domains. Write the indicated domain in (G, H) Task a): set-builder form (write when appropriate) Task b): graphical form Task c): interval form 9) Dom f ( ) , where f x ( ) = 8 x 6 3 x 2 + 2 10) Dom f ( ) , where f x ( ) = 1 x 4 11) Dom g ( ) , where g t ( ) = t 2 + t t + 3 12) Dom g ( ) , where g t ( ) = 7 t 2 t 1 13) Dom h ( ) , where h r ( ) = r + 2 14) Dom h ( ) , where h r ( ) = r + 2 3 15) Dom h ( ) , where h r ( ) = r + 2 ( ) 1/2 16) Dom f ( ) , where f x ( ) = 2 5 x 4 x + 1 3 17) Dom g ( ) , where g t ( ) = t 4 5 3 t 2 5 t 2 (Exercises for Chapter 1: Functions) E.1.4 #18-20. Evaluating functions. (I) 18) Let f x ( ) = x . a) Evaluate f 4 ( ) . b) Evaluate f 11 ( ) . c) Evaluate f a ( ) . d) Evaluate f x + h ( ) . e) Evaluate f x 2 + 2 x + 1 ( ) . 19) Let g t ( ) = 2 t 2 3 t 7 a) Evaluate g 3 ( ) . b) Evaluate g x ( ) . c) Evaluate g t 2 ( ) . d) Evaluate g t + h ( ) . 20) Let h x ( ) = 3 2 x + 1 . a) Evaluate h 5 ( ) . b) Evaluate h ( ) . c) Evaluate h x + h ( ) ....
View Full Document

This note was uploaded on 09/08/2011 for the course MATH 141 taught by Professor Staff during the Fall '11 term at Mesa CC.

Page1 / 14

Math141HW1B - (Exercises for Chapter 1: Functions) E.1.1...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online