How do you find the inverse of #f(x) =2x-5#?
1 Answer
Mar 22, 2018
Explanation:
#"express "f(x)" with x as the subject"#
#rArr2x-5=y#
#rArr2x=y+5#
#rArrx=1/2(y+5)#
#"change y terms to x and express as "f^-1(x)#
#rArrf^-1(x)=1/2(x+5)#