Real World Quadratic Functions

The height of a water balloon that is launched into the air is given by h(t) = -5t² + 20t + 25. When will the balloon explode on the ground?

• 5 seconds

• 1 second

• 2 seconds

• 3 seconds

The profit from selling local ballet tickets depends on the ticket price. Using past receipts, we find that the profit can be modeled by the function where p is the profit and x is the number of tickets sold: p= -15x^2 + 600x + 60 What is the maximum profit you can make from selling tickets?

• $6060

• $20

• $600

• $10,250

The height of a rocket, at selected times, is shown in the table above. Based on this table, which statement is not a valid conclusion?

• The rocket was launched from a height of 180 feet.

• The maximum height of the rocket occurred 3 seconds after launch.

• The rocket was in the air approximately 6 seconds before hitting the ground.

• The rocket was above 300 feet for approximately 2 seconds.

• 5 seconds

• 1 second

• 2 seconds

• 3 seconds

• 14 feet

• 17 feet

• 19 feet

• 22 feet

• 24 feet

• 10 feet

• -4 feet

• 3 feet

• 3 seconds

• 46 seconds

• 5 seconds

• 10 seconds

• 24 feet

• 9 feet

• 46 feet

• 34 feet

• Between 1 and 2 seconds

• Between 2 and 3 seconds

• Between 3 and 4 seconds

• Between 4 and 5 seconds

• Yes it will definitely clear 19 feet

• No his arm is weak it won't make it over 19 feet

• I'm not sure about this one, I've never seen Prince throw