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

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

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

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

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

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

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

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

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

A) Yes
B) No