Which domain restrictions apply to the rational expression?

x^2+5x+6/x^2-9

Select two correct answers.

Question 1 options:

x≠-3

x≠-2

x≠-1

x≠1

x≠2

x≠3

Question

Mathematics

Marlene Mann

28 January, 22:12

Which domain restrictions apply to the rational expression?

x^2+5x+6/x^2-9

Select two correct answers.

Question 1 options:

x≠-3

x≠-2

x≠-1

x≠1

x≠2

x≠3

+2

Answers (1)

Know the Answer?

Priscilla · Answer 1

1) it must be fulfilled that the denominator is different from zero, then for this expression

x^2 - 9 ⇒ x^2-3^2 = (x-3) (x+3) ⇒ (x-3) (x+3) = 0 ⇒ x = 3 o x = - 3, the dominium is all numbers reals except 3 and - 3

Which domain restrictions apply to the rational expression?x^2+5x+6/x^2-9Select two correct answers.Question 1 options:x≠-3x≠-2x≠-1x≠1x≠2x≠3

Which domain restrictions apply to the rational expression?

x^2+5x+6/x^2-9

Select two correct answers.

Question 1 options:

x≠-3

x≠-2

x≠-1

x≠1

x≠2

x≠3