Answer:
f(x) = ( 1/3) ^ (x)
Step-by-step explanation:
The function is
f(x) = (1/3) ^ (x)
When x = 1 f(x) = 1/3
when x=2 f(x) = 1/9
When x = -1 f(x) = ( 1/3) ^ -1 = 3/1 =3
Step-by-step explanation:
Hope it helps.... that is how I did it
Perimeter= length+length+width+width
Area=length×width
And then substitute..
Is there an image? Please let me know and I will get back as soon as possible