Answer:
x=73
Step-by-step explanation:
Answer: C.
and 
Step-by-step explanation: if a function f(x) has g(x) as its inverse then it satisfies fog(x)=x and gof(x)=x
C. f(x)=
and g(x)=
fog(x)=f(
)
=
=x
gof(x)=g(
)
=
=x
hence C. is the pair of inverse functions
Answer:3
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
because 4/5=0.8
and 5×0.8 = 4