Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
junior college 1 | H2 Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Why is the answer c for this qn?
From the question we know that :
3 < x < 5
The idea is to get both sides to be the negatives of each other first.
3 - 4 < x - 4 < 5 - 4
-1 < x - 4 < 1
Then we can rewrite as :
|x - 4| < 1
See 1 Answer