Question

i'll attach the photo

Answer 1

C is wrong

Answer 2

@aaronq

Answer 3

only D is true because of communitive property .... f+g = g+f

Answer 4

A should be true to... distributive property

Answer 5

@JoannaBlackwelder

Answer 6

hmm no thats function notation, not f times a .... "f" is not a variable

in other words if f(x) = x^2 then
f(a+h) = (a+h)^2 which is Not equal to a^2 +h^2