Express the interval in set-builder notation and graph the interval on a number line
(-6.2]

{}

The number line is attached.

Step-by-step explanation:

By definition Set-builder notation is a mathematical shorthand used to provide specific details about a set.

In this case, you have the following interval:

You can obsseve that the left hand contains a parentheses, which means that -6 it is not included, then:

The right hand contains a bracket, which means that 2 is included:

The inequality is:

Therefore, in Set-builder notation this is:

{}

Observe the number line attached. Since -6 is not included, you must use an unfilled circle. Since 2 is included, you must use a filled circle.

whats the

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,