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