Answer:
Step-by-step explanation:
f(x)=(x²+20x+100) -3 because : 97 = 100 - 3
f(x) = (x+10)² -3 ....vertex form
B is definitely the answer
It would be 90(4 sides)= 360 ft
or 90ft+90ft+90ft+90ft=360ft
still follows the property of
for any non-zero x.
Therefore, the answer is 1.