Display the interval notation and set builder notation for {x|x<1}

Since you entered set buider notation, we translate this to interval notation by saying x<1

You entered the less than sign in the expression x<1

We start with the right side of the interval notation

Since you did not enter an equal sign, this translates to ) since we will not be including the number 1

Based on the < you entered, the left side of the interval notation will extend to negative infinity, which is denoted as -∞