1 Select one Exponential Functions and Equations Question 9 The number of people at a concert can be modeled by the following equation where p is the number of people and t is the time passed in minutes P 30 1 10 20 61 Based on the model which of the following statements is true 8 1 O There were 20 people attending at the start of the concert There were 30 people attending at the start of the concert O There were 50 people attending at the start of the concert O There were 110 people attending at the start of the concert