Answer:
9
Step-by-step explanation:
not proportional
2 / 1 ≠ 3 / 2
16
=−0.888168
sin(5(3.1415933))
=sin((5)(31.006277))
=sin(155.031383)
:)
below
f(3)=2
f(20)=0
f(8)=4
f(0)=-1
if f(x)=9 then x=4
if f(x)=4 then x=8
f(x)=0 then x=20
