2.5 points Given f (x) = 3x + 4, g (x) = x2 - 7, and h (x) = 8 - x3, which of the following shows the first step in determining the function f (h (g (x)))? 3(12 -7) +4(8-23) 3 (8 - 23) + 4 (2 2 - 7 ) 3 (8 - (202 - 7) 3 ) + 4 C 3 (8 - 23) 2 - 7) +4