Exam-1-review-solutions

# Exam-1-review-solutions - Review for Exam 1 Solutions Math...

This preview shows pages 1–2. Sign up to view the full content.

Review for Exam 1 Solutions Math 110 Complete the following exercises for a review. Questions on the exam will be similar to questions on this review, questions from the homework assignments and the suggested exercises. 1. Use proper set notation and the listing method to express each as a set. (a) {− 1 , 0 , 1 , 2 , 3 , 4 } (b) { 4 , 8 , 12 , 16 } (c) {− 9 , 9 } (d) 2. Express each set using set builder notation. (a) { x : x 2 and x is even } (b) { x : x is a perfect square between 1 and 36 } (c) { x : x is a day of the week } 3. Determine n ( A ) for the following sets. (a) n ( A ) = 9 (b) n ( A ) = 26 (c) n ( A ) = 4 4. , { 1 } , { 2 } , { 3 } , { 1 , 2 } , { 1 , 3 } , { 2 , 3 } , { 1 , 2 , 3 } 5. Classify each of the following as true or false. (i) true 6. Assume A = { 1 , 2 , 7 , 8 , 9 } , B = { 2 , 4 , 6 , 8 } and C = { 5 , 7 , 9 } . Let the universal set U = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 } . Determine the following sets. (k) { 1 , 2 , 8 } (l) { 1 } (m) { (5 ,a ) , (7 ,a ) , (9 ,a ) , (5 ,b ) , (7 ,b ) , (9 ,b ) } (n) { ( a, 5) , ( a, 7) , ( a, 9) , ( b, 5) , ( b, 7) , ( b, 9) } 7. Show that the following sets are infinite by giving a one-to-one correspondence with a proper subset.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern