2 years ago

Please help me with these problems

Mathematics

1 answer:

Zarrin [17]2 years ago

6 0

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

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