7 For f(x) = cosx, which statement is true?
1) 2f(x) and f(2x) are even functions.
(2x) and f(x) +2 are odd functions.
2)
1 √ [(x + ²7/7 )
f(x) +2 is an odd function and
even function.
3)
4)
2/(x) and
are odd functions.
is an
Which statement is true about functions f, g, and
1) f(x) and g(x) are odd, h(x) is even.
and g(x) are even, h(x) is odd.
(x) is even.