Question

If the replacement set = {-6, -3, 0, 3, 6, 9,12,15,21,1,0.1,-89}; find the truth set of the following: (i) 2x – 1 > 9 (ii) 3x + 7 < 1 (iii) ((x)+x))>0​

Answer 1

Answer:

Step-by-step explanation:Replacement set ={−6,−3,0,3,6,9,12,15,21,1,0.1,-89}

(1)

Truth set of the inequation are the numbers chosen from the Replacement set, that satisfies the inequation.

2x−1>9

2x>10

x>  10/2​

x>5

So, the solution set  ={6,9,12,15,21}

(2)

3x+7≤1

3x≤1−7

3x≤−6

x≤ -6/3  

​x≤−2

So, the solution set  ={−6,−3,-89}