What is a possible equation for this transformed cos

Last updated: 7/11/2022

What is a possible equation for this transformed cos function? Select one: a. f(x) = cos(2x) - 3 b. f(x) = cos(x-2)-3 c. f(x) = 2cos(x) - 3 d. f(x) = cos(2x - π) - 3