Question

Which of the following is a true statement about functions?

Answer 1

its B correct?

Answer 2

non of thme

Answer 3

Try an example. f(x) = 5x and g(x) = cos x
f(g(x)) = 5cosx
g(f(x)) = cos 5x
That doesn't work

Answer 4

none of them?

Answer 5

no that doesn't work

Answer 6

non of them

Answer 7

sorry
the third one is true

Answer 8

Last one is only true for linear functions. Third one is true

(f(1) + g(1)) = (g(1) + f(1))

basically a + b = b + a with functions.