# 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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Step 1

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

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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