Question
Asked Apr 17, 2019
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FInd the Domain of these functions.

f(x) = log7 (4x + 8)

f(x) = ln(4x − 20) 

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Definition used:

 

Let the function f(x) defined by an expression with variable x, then the domain of f(x)  is the set of all real numbers for the variable x such that the corresponding functional value f(x) also real.

Definition used:

Let the function f(x) defined by an expression with variable x, then the domain of f(x)  is the set of all real numbers for the variable x such that the corresponding functional value f(x) also real.

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