Ivy S. De Dios
Instructor
EVALUATING
FUNCTIONS
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An overview of evaluating functions, including the definition of a function, operations on functions (such as addition, subtraction, multiplication, and division), and the composition of functions. Several examples and exercises to help the reader understand these concepts. The content is suitable for students in mathematics or related fields, particularly those studying precalculus or calculus. The document could be used as study notes, lecture notes, or a summary to help prepare for exams or assignments related to function evaluation and operations.
Typology: Schemes and Mind Maps
2021/2022
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Ivy S. De Dios Instructor
EVALUATING
FUNCTIONS
What is a function?
EVALUATING FUNCTIONS
7 f(3) f(-2) 7
- 8 3 (3) - 2 3 (-2) - 2 3 (3) - 2 Let’s try to answer!
30 30 (− 3 ) 2 − 4 (− 3 ) ) + 9+12+ Let’s try to answer!
Let’s try to answer!
Let’s try to answer! g(x) = 3𝑥 2
- 5x + 1 Find:
- 5[20 g(0) + 3 g(-8)]
Let’s try to answer! f(x) = 4𝑥 2 −8𝑥+ 2 2𝑥− 6 Find: f (3) f (-3)
Let’s try to answer! f(x) = −4𝑥 3 −𝑥 2
- 1 Find: f(0) f(1) f(-1)
Exercises 5 2 ± 3 2 15