QUESTION 19 cos(x) if x<0 f(x)={ 1 if x=0 1-x² if 1-x² Where is f. continuous? 0 (-∞, ∞ ) O (-∞,0) U (0, ∞ ) ○ (− ∞,0) U (0, 1) U (1, ∞ ) ○ (0, ∞ ) QUESTION 20 State the absolute max of f(x) = 2x³-3x2-12x+1 on [2,3]

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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Solve problems 19 and 20
QUESTION 19
f(x) = {
cos(x)
if x<0
if x=0
7
1-x² if 1-x²
1
Where is f. continuous?
0 (-∞, ∞ )
O (-∞,0) U (0, ∞ )
O (-∞,0) U (0, 1) U (1, ∞ )
0 (0, ∞ )
QUESTION 20
State the absolute max of f(x) = 2x³-3x²-12x+1 on [2,3]
Transcribed Image Text:QUESTION 19 f(x) = { cos(x) if x<0 if x=0 7 1-x² if 1-x² 1 Where is f. continuous? 0 (-∞, ∞ ) O (-∞,0) U (0, ∞ ) O (-∞,0) U (0, 1) U (1, ∞ ) 0 (0, ∞ ) QUESTION 20 State the absolute max of f(x) = 2x³-3x²-12x+1 on [2,3]
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