Skip to main content
Ch. 1 - Functions
Briggs - Calculus: Early Transcendentals 3rd Edition
Briggs3rd EditionCalculus: Early TranscendentalsISBN: 9780136847243당신이 사용하는 게 아니라요?교과서 변경
1장, 문제 88g

Composition of even and odd functions from tables Assume ƒ is an even function,is an odd function, and both are defined at 0. Use the (incomplete) table to evaluate the given compositions. <IMAGE>


g. ƒ (g(g(-2)))

검증된 단계별 안내
1
Identify the properties of even and odd functions: An even function satisfies \( f(x) = f(-x) \) and an odd function satisfies \( g(x) = -g(-x) \).
Evaluate the innermost function first: Start with \( g(-2) \). Since \( g \) is an odd function, \( g(-2) = -g(2) \).
Use the table to find \( g(2) \) and substitute it into the expression for \( g(-2) \).
Next, evaluate \( g(g(-2)) \) using the result from the previous step. Since \( g \) is odd, apply the property \( g(x) = -g(-x) \) again if needed.
Finally, evaluate \( f(g(g(-2))) \) using the property of the even function \( f(x) = f(-x) \) and the result from the previous step.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
5m
도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Even and Odd Functions

An even function is defined by the property that f(x) = f(-x) for all x in its domain, meaning its graph is symmetric about the y-axis. An odd function satisfies g(x) = -g(-x), indicating that its graph is symmetric about the origin. Understanding these properties is crucial for evaluating compositions of functions, as they influence the output based on the input's sign.
추천 영상:
가이드 코스
06:21
Properties of Functions

Function Composition

Function composition involves applying one function to the result of another, denoted as (f ∘ g)(x) = f(g(x)). In this case, we need to evaluate g(g(-2)) first, and then apply the even function f to that result. Mastery of function composition is essential for solving problems that require multiple function evaluations.
추천 영상:
3:48
Evaluate Composite Functions - Special Cases

Evaluating Functions at Specific Points

To evaluate functions at specific points, one must substitute the given input into the function's definition or table. For instance, to find g(-2), we look up the value of g at -2, and then use that result to find g(g(-2)). This step-by-step evaluation is critical for accurately determining the final output of the composed functions.
추천 영상:
가이드 코스
4:26
Evaluating Composed Functions