http://static.k12.com/eli/ecollege/593/1_31560/2_31285_5_31669/77e3985f9df8918201d25f6edded89adec33e000/media/381c35cd791e48eecd36589979658919c89f5a11/mediaasset_1348059_1.jpg

Question 3.3. Which shows the equation of the line using function notation?
(Points : 1)
a) f(x)=3
B) f(x)=0.3
c) f(x)= -3
D) f(x)= -3x

Question

http://static.k12.com/eli/ecollege/593/1_31560/2_31285_5_31669/77e3985f9df8918201d25f6edded89adec33e000/media/381c35cd791e48eecd36589979658919c89f5a11/mediaasset_1348059_1.jpg


Question 3.3. Which shows the equation of the line using function notation?
(Points : 1)
   a)  f(x)=3
   B) f(x)=0.3
   c) f(x)= -3
   D) f(x)= -3x

luigi0210 · Answer

It's just a straight line, so there is no slope or variable, plus it's negative.

luigi0210 · Answer

so: 
$$\LARGE f(x)=-3$$