What is the range of the function #f(x) =1 / x#?
1 Answer
Nov 26, 2017
Explanation:
#y=1/x#
#"express the function with x as the subject"#
#xy=1rArrx=1/y#
#"the denominator cannot be zero as this would make"#
#"x undefined"#
#rArry=0larrcolor(red)"excluded value"#
#rArr"range is "y inRR,y!=0#
