Midterm 1: archived grading and feedback

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Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Proof error

Question 7

Power set

Question 8

Composition

Question 9

Cartesian product

Question 10

Venn diagram

Proof using the contrapositive

Proof by contradiction

Direct proof

Question 12

Proper subset

Subset

Proper

Element maps to codomain element

Element in domain

− 1 pt Algebra issues

One-to-one

Not onto

Department of Mathematics, University of Wisconsin—Madison

Math 240 — Midterm Exam I Spring 2025

INSTRUCTIONS:

Time: 90 minutes

Question 3

Question 4

Question 5

Question 7

Question 9

Question 13

Question 14

SCRATCH PAPER - DO NOT REMOVE FROM YOUR EXAM SCRATCH WORK WILL NOT BE GRADED

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