Which of the following is a graph of x2 > 25?
+
-6
-5
4
3
-2
-1
0
1
NE
3
4
5
6
+
+
N +
4
5
to to toto
+
+
-4
+
+
nt nt nt
+
n
+
-1
+
-3
+
o
+
0
i
+
1
+
2
3
0
to ta
+
4
3
0
+
os +
-6
-5
-4
-3
4
5
6
F No Solution

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.