MATHEMATICS · Multi-part · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions
Problem
Answer the following about logarithmic functions:
(i) State the conditions that the real numbers a and b must satisfy for the expression logab to be defined.
(ii) Give a brief explanation (one or two sentences each) why each of these conditions is necessary.
(iii) Using these conditions, find the domain of the function f(x)=log(5−2x).