4. Consider the function g(x) = 29 5x a. What is the domain of g? How do you know? b. Let a be a real number. What is the value of g (2a), assuming that this expression is defined? c. What is the value of 2g(a), assuming that this expression is defined?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.9: Combining Functions
Problem 49HP
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4abc
3. Explain why the equation y² = x² +5 does not define y as a function of x.
4. Consider the function g(x) = 5x
a. What is the domain of g? How do you know?
b.
Let a be a real number. What is the value of g(2a), assuming that this expression is
defined?
c. What is the value of 2g(a), assuming that this expression is defined?
Transcribed Image Text:3. Explain why the equation y² = x² +5 does not define y as a function of x. 4. Consider the function g(x) = 5x a. What is the domain of g? How do you know? b. Let a be a real number. What is the value of g(2a), assuming that this expression is defined? c. What is the value of 2g(a), assuming that this expression is defined?
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