Respuesta :

familiahdz
you should use photomath it is an app that can answer any equations and the answer will tell you where to mark it in the graph :) example: if the answer is 17.5 you would mark a dot between 17 and 18 !!
banmai0304

Answer:

5) r>-12 ⇒ r ∈ (-12 ; +∞)

6) x≥11 ⇒ x ∈ [11 ; +∞)

7) x>-20 ⇒ x ∈ (-20 ; +∞)

8) x>17 ⇒ x ∈ (17 ; +∞)

Step-by-step explanation:

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