Answer Happy

Assuming L{f(t)} = F(s), what is L{f(t - a)u(t - a)}? = F(as) O F(eas) No correct answer O F(s)e-as
Two distinct functions, yi and Y2, are orthogonal on some interval a < x < b if [" (21 (2) + x2(x))dx = 0 a)a b y1 (2)y2 (x)dx = 0 No correct answer b ° S (21(2) + Ja (y1 (x) + y2 (2c))dx = 1
A function f(x) is called periodic if for all x O f(Px) = f(x) = No correct answer Of(x+P) = f(2) - O f(x) + P = f(x)
Which of the following functions is EVEN? sin x + cos X No correct answer tan 3x sin x · cos 23
Which of the following functions is ODD? No correct answer sin x sin? C COS X