45. The graphs of f(x) = cos x and g(x) = cos(x - )+ 1 are shown in the standard (x, y) coordinate plane below. After one of the following pairs of transformations is applied to the graph of f(x) , the image of the graph of f(x) is the graph of g(x). Which pair is it?

A. Shift f(x) 1 unit left and units down.

B. Shift f(x) 1 unit left and units up.

C. Shift f(x) 1 unit right and units down.

D. Shift f(x) unit left and 1 units up.

E. Shift f(x) unit right and 1 units up.