eal function f(r) = a2, th Ibe 20. 2+1 (c) f(x) = 3- a=

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Functions And Their Graphs
Section2.3: Analyzing Graphs Of Functions
Problem 4ECP
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7. Find range of the following real functions f : R R. Note that you have to clearly point out
the interval. For example, if given real function f(r) = a2, then range should be {r | a 2 0},
where you clearly point out a should be 2 0.
(a) f(a) = a + 2
(b) f(r) = 22 + 1
(c) f(x) = 3 – a2
%3D
Transcribed Image Text:7. Find range of the following real functions f : R R. Note that you have to clearly point out the interval. For example, if given real function f(r) = a2, then range should be {r | a 2 0}, where you clearly point out a should be 2 0. (a) f(a) = a + 2 (b) f(r) = 22 + 1 (c) f(x) = 3 – a2 %3D
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