Question

Select the table that represents the function. f(x)=x^2-4x

x y
-1 5
1 -3
2 -4
5 5



x y
-3 -3
-1 0
1 1
2 3






x y
-4 1
-3 2
0 3
2 4






x y
0 -5
1 -3
3 1
4 3

Answer 1

A

Y= (-1)^2-4(-1). 1+4=5
Y= (1)^2-4(1)=1-4=-3
Y= (2)^2-4(2). 4-8=-4