# data[].attributes.headline
a, b and e because in every element matches to the range.

# data[].attributes.subject
a, b and e because in every element matches to the range.

# data[].attributes.headline
Which of the following arrow diagram represents functions?

# data[].attributes.subject
Which of the following arrow diagram represents functions?

# data[].attributes.headline
My answer is A and C since no two ordered pairs have the same first element.

# data[].attributes.subject
My answer is A and C since no two ordered pairs have the same first element.

# data[].attributes.headline
My answer is letter C, because every each element in the domain is matched with exactly one element in the range.

# data[].attributes.subject
My answer is letter C, because every each element in the domain is matched with exactly one element in the range.

# data[].attributes.body
My answer is (c) R3= {(x, y) (y, z) (z, t) (t, v)} because every x-value produces a different y-value. A relation is any set of ordered-pair numbers.

# data[].attributes.headline
My answer is letter C, because every element in the domain has unique image in the range.

# data[].attributes.subject
My answer is letter C, because every element in the domain has unique image in the range.

# data[].attributes.body
my answer is _____ because _______

# data[].attributes.headline
Which of the following relations are functions? Give reasons. 

# data[].attributes.subject
Which of the following relations are functions? Give reasons. 

# data[].attributes.body
(a) R₁ = {(1, 7) (2, 7) (4, 7) (6, 7)}

(b) R₂ = {(1, 2) (1, 3) (1, 4) (1, 5)}

(c) R₃ = {(x, y) (y, z) (z, t) (t, v)}

# data[].attributes.headline
What are the thoughts that come to your mind when you hear the words...

# data[].attributes.subject
What are the thoughts that come to your mind when you hear the words...