Use interval notation to represent all values of x satisfying

Tomasettiq3

Tomasettiq3

Answered question

2021-12-05

Use interval notation to represent all values of x satisfying the given condition.
y=7-|x/2+2| and y is at most 4.

Answer & Explanation

Ida Perry

Ida Perry

Beginner2021-12-06Added 20 answers

Step 1
Given that, y4
so,
y4
7|x2+2|4
74|x2+2|
3|x2+2|
Step 2
Then we make two parts using the absolute value
x2+23
x21
x2
x2+23
x25
x10
Answer: x2 and x10

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