Question

Which function is graphed below?
WMX
f(x) = cos(x)
f(x) = cos(x)
(x) = sin()

Answer 1

For edge 2020:

The answer is A

Explanation:

The function f (x) = cos x has all real numbers in its domain, but its range is −1 ≤ x ≤ 1.

Answer 2

Answer: f(x)=cos(x)

Explanation: