Select ALL the correct answers. Select the scenarios that correctly represent the given graph. The radioactivity of a substance decreases by 10% every year. The amount of money in an account decreases for a few months and then increases. The sale of a product increases at first and then decreases. The height of a stone shot by a catapult reaches a maximum height and then falls on the ground. The speed of a car increases constantly by 10 miles per hour.