Which of the following statement(s) is (are) correct?
MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry
Problem
Which of the following statement(s) is (are) correct?
(a) If f(x) is periodic and g(x) is aperiodic, then f(g(x)) must be aperiodic.
(b) If f(x) and g(x) are both aperiodic, then f(g(x)) must be aperiodic.
(c) If f(x) is aperiodic and g(x) is periodic, then f(g(x)) must be periodic.
(d) If f(x) is periodic and g(x) is aperiodic, then g(f(x)) must be aperiodic.