Respuesta :

Answer:

f^-1(x)=1/2x+5

Step-by-step explanation:

y=2x-10

inteechange 'y' with 'x'

x=2y-10

make 'y' the subject

2y=x+10

divide by 2both sides

y=(x+10)÷2

y=1/2x+5

f^-1(x)=1/2x+5