The correct Set-builder form of the set that is written in Roster form is {x|x is an integer and -3≤x≤1}.
<h3>What is an integer?</h3>
An integer is a number that can be written without using a fractional component. Integers such as 21, 4, 0, and 2048 are examples.
The correct Set-builder form of the set that is written in Roster form can be written as,
{x|x is an integer and -3≤x≤1}
Hence, The correct Set-builder form of the set that is written in Roster form is {x|x is an integer and -3≤x≤1}.
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The answer is y=3x.
y=21, x=7
y=mx (m is the variable for slope)
21=m(7)
m=21/7
m=3