Question

which one of the following is equivalent to the function y=3cosx+2 check all that apply

A.-3cos x-2
B. 3cos(-x)+2
C.3sin(x+pi/2)+2
D.3sin(x-pi)+2

Answer 1

not that easy to read
is it
\[y=3\cos(x+2)\] or
\[y=3\cos(x)+2\]

Answer 2

3cos(-x)+2