College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section: Chapter Questions
Problem 13T: Find the domain of the function f(x)=142xx2
Related questions
Question
Find the domain and range of the function f(x) = x2 + 3
Expert Solution
Step 1
The given function is .
To find: the domain and range.
Solution:
The function is ,
and the domain of a function is the value of for which the function is defined.
So here, function is defined for every value of ,
hence, the domain of the given function is the complete real numbers.
Now the range of the function is the value of the function for each value of domain as,
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