Function Images

Saturday, 9 March 2019

11:40 PM

Machine generated alternative text:
The function f : R R is defined by = —x2. Find the following images. 
Give your answer in the form [a,b] to mean the closed interval [a, b] with a b. 
a) 
Find f(A) where A — [—3, —2]. 
_4] Expected answer: 
b) 
Find f(B) where B = [—3, 2]. 
[¯9' 0] X Expected answer: 
-9, 
-9, 
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Score: 1/1 
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Machine generated alternative text:
c) 
Find (C) where C — [—64, —49] and 
• if 
is taken to mean the "1eft branch" of 
is taken to mean the "right branch" of f(x) 
if 
x2. Then f 
—x2. Then f 
Expected answer: 
Expected answer: 
-8, 
7, 
8] 
Gap 1 
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Gap 2 
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Score: 0/2 X 
unanswered

 

 

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