what is the range of f(x)

f(x)= /x-1/

a. all real numbers greater than or equal to 1
b. all real numbers greater than or equal to 0
c. all real numbers greater than to 1
d. all real numbers greater than to 0

Question

what is the range of f(x)

f(x)= /x-1/

a. all real numbers greater than or equal to 1
b. all real numbers greater than or equal to 0
c. all real numbers greater than to 1
d. all real numbers greater than to 0

anonymous · Answer

$$\left| x-1 \right|\ge0$$
all real numbers greater than equal to 0

tkhunny · Answer

Fundamentally, it's an Absolute Value.  It better not be less than zero (0).  The question is, can you actually achieve zero (0)?