Question

What is the domain and range of f(x) = cos(x)?
Answer

The domain is and the range is all real numbers.

The domain is and the range is all real numbers.

The domain is all real numbers and the range is

The domain is all real numbers and the range is

Answer 1

what does it mean "tha domain is-----"

Answer 2

the first one should be -1<y<1
the second is -1<X<1
third the domain should be -1<y<1
last is -1<X<1

Answer 3

try this site called mathway

Answer 4

@Vector1911 no I'm using this its for a reason

Answer 5

the domain means all the possible values of x
and the range all possible values of cos x