Which of the following are true regarding investment advisers under the investment Advisers Act of 1940 ? 1- Investment advisers are held to a suitability standard of care. 2. Registration is generally required for advisers who are in the business of providing advice about securities and are compensatedfor such advice. 3-Investment advisers must provide a disclosure brochure to clients before entering into an advisory agreement. 4- Imvestment adviser representatives must pass the Series 7 exam. 1 and 3. 3 and 4 2 and 3 Fand 2