Pre-Calculus 40s
Pearson ‘Pre-calculus 12: my worktext’ Graphing answers
CHAPTER 1: POLYNOMIAL EXPRESSIONS AND FUNCTIONS 1.3 Graphing Polynomial Functions Construct Understanding – p. 32 A. i) ii)
iii) iv)
v) vi)
Assess Your Understanding – p. 34 1. a) i) ii)
iii) iv)
2. a) i) ii)
iii) iv)
1.4 Relating Polynomial Functions and Equations: Exercises (p. 46-) B. 6. a) b)
7. a) b)
10,
1.5 Modelling and Solving Problems with Polynomial Functions: Exercises (p. 62-) 5. c) 6. b)
10. b) 11. b)
12. b)
REVIEW (p. 72-) 8. a) b)
PRACTICE TEST (p. 78-) 6. 7. b)
CHAPTER 2: RADICAL AND RATIONAL FUNCTIONS
2.1: Properties of Radical Functions: Exercises (p. 90-) 4. b)
6. a) i) ii)
iii) iv)
v) vi)
7. a)
8. a) b)
9. a) b)
c) d)
10. a) b)
12. a) b)
14.
2.3: Analyzing Rational Functions: Exercises (p. 114-) 8. a) b)
c) d)
CHECKPOINT (p.124-) 3. a) b)
4. a) b)
c) d)
7. a) b)
8. a) b)
2.4: Sketching Graphs of Rational Functions: Exercises (p. 134-) 3. a) b)
4. a) b)
5. a) b)
c) d)
6. a) b)
7.
8. a) b)
REVIEW (p. 146-) 3. a) b)
6. a) b)
7. a) b)
8. a) b)
PRACTICE TEST (p. 154-) 3. 4.
5. a) b)
CUMULATIVE REVIEW Chapters 1-2 (p. 157-) 5. a) b)
6.
7. a) b)
CHAPTER 3: TRANSFORMING GRAPHS OF FUNCTIONS
3.1: Translating Graphs of Functions: Exercises (p. 169-) 7. a) and b) 8. a) and b)
10.
11. a) b)
3.2: Reflecting Graphs of Functions: Exercises (p. 183-) 3. a) and b) 4) a) and b)
5. a) and b)
6. a) b)
13. a) b)
3.3: Stretching and Compressing Graphs of Functions: Exercises (p. 201-) 3. a) and b) 4. a) and b)
8. a) and b)
9. a) i) ii)
b) i) ii)
16. a) and b)
CHECKPOINT (P. 213-) 2. a) and b) and c) 5. a) and b)
8. a) and b)
3.4: Combining Transformations of Functions: Exercises (p. 226-) 6. 7. a) and b)
8. a) b)
3.5: Inverse Relations: Exercises (p. 243-) 4. a) b)
c) d)
6. a) b)
9 a) b)
12. a) and c)
REVIEW (p. 255-) 1. a) b)
c)
3. a) and b)
5. a) b)
c) 7.
10. a) b)
PRACTICE TEST (p. 261-) 4. 5. a)
6. b)
CHAPTER 4: COMBINING FUNCTIONS 4.1: Combining Functions Graphically: Assess Your Understanding (p. 268-) 1. a) b)
c) d)
2. c) 3. d)
CHECKPOINT (p. 278-) 2. a) b)
c) d)
4.4 Determining Restrictions on Composite Functions: Exercises (p. 314-) 4. a) b)
c) d)
REVIEW (p. 327-) 1. a) b)
2. a) b)
10. a) b)
PRACTICE TEST (p. 335-) 3. 8.
CHAPTER 5: EXPONENTIAL AND LOGARITHMIC FUNCTIONS 5.2: Analyzing Exponential Functions: Exercises (p. 268-) 6. a) b)
7. a) b)
8. a) 9. a)
10. a) b)
c) 13.
5.3: Solving Exponential Equations: Exercises (p. 364-) 11. a) b)
c) d)
15. a) b)
CHECKPOINT 1 (p. 371-) 1. a) b)
3. a) b)
4. a)
7. a) b)
5.4: Logarithms and the Logarithmic Function: Exercises (p. 383-) 11. a) 12. a)
14. Using 𝑦 = 2𝑥 and 𝑦 = log2 𝑥: 16.
17.
5.6: Analyzing Logarithmic Functions: Exercises (p. 407-) 6. 7.
9. a) 10. a)
11. a) b)
12.
CHECKPOINT 2 (p. 413-) 5. a) 9.
11.
REVIEW (p. 444-) 1. 2. a)
3. a) b)
4. a) 11. a)
15. 16. a)
PRACTICE TEST (p. 453-) 3. a) and b) 5. a) and c)
CUMULATIVE REVIEW Chapters 1-5 (p. 457-) 2. a) b)
3. a) b)
4. a) and b) 5.
6. a) b)
7. a) b)
11.
CHAPTER 6: TRIGONOMETRY 6.4: Graphing Trigonometric Functions: Assess Your Understanding (p. 512) 2. 3.
4.
6.5: Trigonometric Functions: Exercises (p. 521-) 4. a) b)
c)
6. a) i) b) i)
c) d)
7. a)
b)
c)
d)
8.
10. a) b)
11.
6.6: Combining Transformations of Sinusoidal Functions: Exercises (p. 534-) 8. a) 9. a)
10 a)
b)
11.
6.7: Applications of Sinusoidal Functions: Exercises (p. 548-) 6. a)
b)
REVIEW (P. 561-) 9. a)
b)
c)
10. a) b)
11.
PRACTICE TEST (p. 567-) 6. b)
7.1: Solving Trigonometric Equations Graphically: OMITTED
CUMULATIVE REVIEW CHAPTERS 1-8 (p. 761-) 1. 2.
4.
11. a) and b)