Domain Condition for Logarithmic Functions

For a logarithmic function y = log a f(x) (where a > 0, a eq 1 ), its domain requires the argument to be positive. Formula: x ∈ R f(x) > 0 Applicable Condition…

Syllabus path: Functions › Concepts and Properties of Functions › Domain of a Function

CSCA Exam Prep

This formula is aligned to the CSCA undergraduate admissions exam syllabus. Continue with the linked tutorial and topic practice.

Practice related questions (12) · Start mock exam · Sign up — AI explanations · Membership plans

CSCA Mathematics Formula Reference

Formula and explanation

For a logarithmic function y = log a f(x) (where a > 0, a eq 1 ), its domain requires the argument to be positive. Formula: x ∈ R f(x) > 0 Applicable Conditions: Base a > 0 and a eq 1. Brief Explanation: The argument of a logarithm must be positive, which is a fundamental requirement for logarithmic operations.

Related tutorial and examples

Domain of a Function

Domain of a Function 1. Concept The domain of a function is the set of all possible values for the independent variable x. It is one of the three essential elements of a function. Simply put, the domain consists of all real numbers x for which the function y = f(x) is defined (ma…

Read the full tutorial and worked examples

Plan your next CSCA study step

Use this topic in a focused practice set, then connect it to the exam requirements and timed papers.