Question

Please help me with these problems​

Answer 1

Answer:

The answer to your question is:

a) Letter B

b) Letter D

Step-by-step explanation:

a)   | x | + 3 < 10

Formula

               | x | < a      ⇒        - a < x < a

             

               | x | + 3 < 10

                | x |  < 10 - 3

               |x | < 7          solution             - 7 < x < 7

                                    or              -7 < x and  x < 7    Letter B

b) it must be letter D x < 4 and x < 1