Which of the following is an example of copyright infringement? 1) In his presentation, Matt cites the work of economist Thorstein Veblen. 2) Grace uses a photograph in her presentation without getting authorization from its owner. 3) Yusuf uses a long quotation in his speech without giving credit to its source. 4) In her speech, Hla presents an idea she read about in a business journal as if it was her own. 5) Logan reads an excerpt from a book during his presentation with the approval of the author.
