File Edit View History Bookmarks People WindowHelpDo Homework - Jaelyn DancyMyLab and Maste을 https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-515742873&questi을https://opeIIIWright MTH112 20217 E-Learning Spring 2019Homework: HW-1.7me2 of 14 (7 complete) ▼Score: 0 of 1 pt1.7.69Tests7For f(x) = XT and g(x) =-, finda. (fo g)lx) b. the domain of fo ga. (fo g)x)(Simplify your answer.)ontentsSuccessSuccessdia LibraryGuidee OptionsonsToolsEnter your answer in the answer box and then click Check Answer.partremainingClear All

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Asked Feb 11, 2019
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File Edit View History Bookmarks People WindowHelp
Do Homework - Jaelyn Dancy
MyLab and Maste
을 https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-515742873&questi
을
https://ope
III
Wright MTH112 20217 E-Learning Spring 2019
Homework: HW-1.7
me
2 of 14 (7 complete) ▼
Score: 0 of 1 pt
1.7.69
Tests
7
For f(x) = XT and g(x) =-, find
a. (fo g)lx) b. the domain of fo g
a. (fo g)x)
(Simplify your answer.)
ontents
Success
Success
dia Library
Guide
e Options
ons
Tools
Enter your answer in the answer box and then click Check Answer.
part
remaining
Clear All
help_outline

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File Edit View History Bookmarks People WindowHelp Do Homework - Jaelyn Dancy MyLab and Maste 을 https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-515742873&questi 을 https://ope III Wright MTH112 20217 E-Learning Spring 2019 Homework: HW-1.7 me 2 of 14 (7 complete) ▼ Score: 0 of 1 pt 1.7.69 Tests 7 For f(x) = XT and g(x) =-, find a. (fo g)lx) b. the domain of fo g a. (fo g)x) (Simplify your answer.) ontents Success Success dia Library Guide e Options ons Tools Enter your answer in the answer box and then click Check Answer. part remaining Clear All

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Expert Answer

Step 1

To find (fog)(x) i.e. f(g(x) we replace x in f(x) with function g(x).

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Step 2

Let us now find the domain of (fog)(x) i.e. f(g(x)). We first see that denominator (7 + x) can not be equal to zero. Also domain of f(g(x)) can not include any value of x that was not present in the domain  of the inside function g(x). In the function g(...

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Tagged in

Math

Calculus

Functions