Concept explainers
(a)
To find: The value of g (-2).
(a)
Answer to Problem 46WE
The value of g (-2) is -4
Explanation of Solution
Given,
The given equation is,
Calculation:
Substitute -2 for x in
Thus, the value of g (-2) is -4
(b)
To find: The value of f (-2)
(b)
Answer to Problem 46WE
The value of f (-2) is 4
Explanation of Solution
Given,
The given equation is,
Calculation:
Substitute -2 for x in
Thus, the value of f (-2) is 4
(c)
To find: The value of g [ f (-2)]
(c)
Answer to Problem 46WE
The value of g [ f (-2)] is 8
Explanation of Solution
Given,
The given equation is,
Calculation:
Substitute -2 for x in
Calculate g [ f (-2)].
Substitute 4 for x in
Thus, the value of g [ f (-2)] is 8
(d)
To find: The value of f [ g (-2)]
(d)
Answer to Problem 46WE
The value of f [ g (-2)] is 16
Explanation of Solution
Given,
The given equation is,
Calculation:
Substitute -2 for x in
Calculate f [ g (-2)].
Substitute -4 for x in
Thus, the value of f [ g (-1)] is 16
Chapter 8 Solutions
Algebra: Structure And Method, Book 1
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