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)

Step 1

Step 2

**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.

Step 3

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