x2 – 6x + 9 is the answer
Answer:
Step-by-step explanation:
f(x)=x²-1
f(x-3)=(x-3)²-1
=x²-6x+9-1
=x²-6x+8
2/9
$0.89/apple
$4.45
-------------- = $0.89/apple
5 apples
9
18:2
?:1
?=9