Answer:
see attachment
Step-by-step explanation:
All you do is plug in 8 for x.
So it f(8) = 8 + 5
which equals 13
Hope this helps!
Anything multiplied by 0 =0
So what is left is 90x100x12x13x34 which is=47,736,000
X = width
2x = length
2x + 4x = 48
6x = 48
x = 8
2x = 16
8*16 = 128
Your answer should be that the area is 128 square yards. Hope this helps!