With rotations i'm failing and really need this - : )

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible