Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![1
8. Let f(r
and g(r)
21
(a) Evaluate (f + g)(4) and (f - g) (1)
(b) Evaluate (fg)(3) and
(9)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b8665f5-bd46-441e-ab1f-2b7b427ba653%2F1e6eee00-458d-44e9-8100-85ae2f696401%2Fhn7wdpv.png&w=3840&q=75)
Transcribed Image Text:1
8. Let f(r
and g(r)
21
(a) Evaluate (f + g)(4) and (f - g) (1)
(b) Evaluate (fg)(3) and
(9)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
![x-2
Given f (x)
1
and g(x)
2x](https://content.bartleby.com/qna-images/answer/0b8665f5-bd46-441e-ab1f-2b7b427ba653/a2c2bef3-aba1-4314-9d71-87b8f8e0f0bb/0km09o2.png)
Step 2
![x-2
a). (f+8)(x) (x)+ g (x)=
1
1
(f-8)(x) f(x)-g(x)=
x2 2x
43-2
248 17 265
1
62 1
(f8)(4)
42+1 24 17
68
68
1-2
-1
1
1
&(f-8)(1)
121 21
2
2](https://content.bartleby.com/qna-images/answer/0b8665f5-bd46-441e-ab1f-2b7b427ba653/a2c2bef3-aba1-4314-9d71-87b8f8e0f0bb/z3ik02t.png)
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