Let . Answer the following questions, giving brief reasons in each…
MATHEMATICS · Multi-part · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions
Problem
Let f(x)=23(21)x. Answer the following questions, giving brief reasons in each case.
(i) State the domain of f.
(ii) State the range of f.
(iii) Find the y–intercept of the graph of f.
(iv) Identify the horizontal asymptote of the graph.
(v) Determine whether f is increasing or decreasing on its domain and justify your answer.