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

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

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

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

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

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

A) No
B) Yes