Need Help Res Doints KMBIAla7 1038 submissions Use Let fx 4x

Need Help? Res Doints KMBIAla7 1038, submissions Use Let f(x) 4x 1 and g(x) x 2. Find the function. (simplify your answer completely.) See Examples 1-2. (obje Find the function\'s domain (Simplify your answer completely. Enter your answer using interval notation.) 9. -1 points KMBIAlg7 11.1.039.0 9 Submissions Used Let fx) ex 1 and g x) x2 1. Find the value (Simplify your answer completely. See Example 3. (objecti (f o g)(3)

Solution

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Given

f(x) = 4x + 1

g(x) = x - 2

g.f = g(x) X f(x)

= (4x + 1)(x-2)

= 4x^2 - 7x + 2 Solution (As (a-b)(c-d) = ac + bd - bc -ad)

Since the value of x can range from -Infinity to positive infinity, Hence the Domain of the function is -Infinity to + Infinity.

Solved

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