Question

can someone check this for me
11. What is the domain of the function f(x)=x+1/2x-1 ?
(Points : 5)
all real numbers except −1

all real numbers except -1/2

all real numbers except 1/2

all real numbers except 1

I got c but I need someone to confirm :/

Answer 1

all real number except 1/2

Answer 2

since 1/2 make 2x-1 equal to zero.

Answer 3

http://www.wolframalpha.com/input/?i=What+is+the+domain+of+the+function+f%28x%29%3Dx%2B1%2F2x-1+%3F

Answer 4

which make function infinity.

Answer 5

THANK U @Er.Mohd.AMIR