Find and interpret f'(4) and f''(4). f(æ) = 2 a f'(4) = [1/(sqrt(4)) Preview f''(4) = [1/sqrt(2^3) Preview So at x = 4, f(x) is [ increasing v at a(n)| decreasing V rate.

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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Find and interpret \( f'(4) \) and \( f''(4) \).

\[ f(x) = 2\sqrt{x} \]

\[ f'(4) = \frac{1}{\sqrt{4}} \] ✔️

\[ f''(4) = \frac{1}{\sqrt{2^3}} \] ❌

So at \( x = 4 \), \( f(x) \) is \(\text{increasing}\) ✔️ at a(n) \(\text{decreasing}\) ✔️ rate.
Transcribed Image Text:Find and interpret \( f'(4) \) and \( f''(4) \). \[ f(x) = 2\sqrt{x} \] \[ f'(4) = \frac{1}{\sqrt{4}} \] ✔️ \[ f''(4) = \frac{1}{\sqrt{2^3}} \] ❌ So at \( x = 4 \), \( f(x) \) is \(\text{increasing}\) ✔️ at a(n) \(\text{decreasing}\) ✔️ rate.
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