(2 + h)6 – 64 lim | = f'(a) h→0 h

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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  1. Find a function f and a number a such that

The expression shown is:

\[
\lim_{{h \to 0}} \frac{{(2 + h)^6 - 64}}{h} = f'(a)
\]

### Explanation:

This mathematical expression is a limit used in calculus to find the derivative of a function at a specific point. 

- **Limit Notation (lim):** The limit as \( h \) approaches 0 is used to evaluate the slope of the tangent line to the curve at a certain point.
  
- **Expression (2 + h)^6 - 64:** The expression involves raising \( (2 + h) \) to the sixth power and subtracting 64. The number 64 is \( 2^6 \), indicating that initially, \( (2+h)^6 \) is expanded or calculated.

- **Division by h:** The division by \( h \) represents the change in the value of the function concerning the change in \( h \), which is the core concept in deriving a derivative.

- **Equals f'(a):** The right side \( f'(a) \) indicates that this limit is equal to the derivative of a function \( f(x) \) evaluated at \( a \).

This expression is fundamental in calculus for finding the instantaneous rate of change of a function or its derivative at a given point.
Transcribed Image Text:The expression shown is: \[ \lim_{{h \to 0}} \frac{{(2 + h)^6 - 64}}{h} = f'(a) \] ### Explanation: This mathematical expression is a limit used in calculus to find the derivative of a function at a specific point. - **Limit Notation (lim):** The limit as \( h \) approaches 0 is used to evaluate the slope of the tangent line to the curve at a certain point. - **Expression (2 + h)^6 - 64:** The expression involves raising \( (2 + h) \) to the sixth power and subtracting 64. The number 64 is \( 2^6 \), indicating that initially, \( (2+h)^6 \) is expanded or calculated. - **Division by h:** The division by \( h \) represents the change in the value of the function concerning the change in \( h \), which is the core concept in deriving a derivative. - **Equals f'(a):** The right side \( f'(a) \) indicates that this limit is equal to the derivative of a function \( f(x) \) evaluated at \( a \). This expression is fundamental in calculus for finding the instantaneous rate of change of a function or its derivative at a given point.
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