is
0---2
4---3
9---4-5
is this a function
no because nine's line goes to 4 and 5
corinna is riding a horse on a carousel. wich graph represents her distance from the center the best.
l ----------- l
l / \ l
l / \ l---------------------
l / \ l
l/ graph a \ l graph b
graph A
Formula: f(x)=5x-20
f(6)
f(6)=10
y=3/2x-1 l
x y l
-2 __ l
0 __ ------------------------------------
2 __ l
4 __ l
l
y l *
-4 l
-1 l *
2 --------------------------*--------------------
5 * l
l
l