A) Are all the values in X
B) Are all the values in X
C) Are all the values in X and Y
D) None

A) Are all the values in X and Y
B) Are all the values in X
C) All the values in Y

A) Because has a hole
B) Because of symmetry
C) None
D) Because has a jump
E) Because has a Asymptote

A) R
B) Both are correct
C) ] - ∞, + ∞ [

A) ]-∞, -3] U [3,+ ∞[
B) ]-∞, 3] U [3,+ ∞[
C) ]-∞, -3] U [-3,+ ∞[
D) All of them are correct

A) Increasing
B) Decreasing from (-∞,1) and increasing (1,+ ∞)
C) Decreasing
D) Decreasing from (-∞,1/2) and increasing (1/2,+ ∞)

A) Because a asymptote
B) Because of symmetry
C) Because of a jump
D) None
E) Because of a hole

A) Is a term related to symmetry
B) Are the values that makes the denominator cero in a function
C) Happens when a function doesn’t have interruptions

A) Both are correct
B) We graph and see the X axis
C) We graph and see the Y axis

A) Yes
B) No