Can I use symbols other than braces when writing sets using the roster method?

What will be the cartesian product of three sets if one set of them is empty?

b. Identify the systems from task (2a) that demonstrate closure, i.e., the result of the operation always produces an element in the set.c. Identify the systems from task (2a) that have an identity element.

Write each of the following sets in correct roster notation:(a) {x^2 - 1 : x∈{0,1,2,3,4}}(b) {x∈{0,1,2,4} : x 2 ≥ 5}

Write each set in the indicated form. If you need to use "..." to indicate a pattern, make sure to list at least four elements of the set. (a) Roster form: {-1,0,1,2,3,4} ... Set-builder form: (Choose one) (b) Set-builder form: {y y is an integer and y2 -2) Roster form: Explanation Check O 2021 McGraw-Hill Education. All Rights Rese O Type here to search 23 esc 2 prt sc %23 & 4. 6. 8. 9. T Y. caps lock G H. J. hift ↑ V. pause fn alt alt ctrl SI A)

Describe the roster method for representing a set.

Write Boolean expressions to describe the following multiple output circuits. X1 x2 X3 > У1 Y₂