Quadratic Functions and Their Applications

What is the quadratic function used to model Kevin Hart's height as a function of time?

• h(t) = -16t^2 + 30t + 5

• h(t) = 16t^2 - 30t + 5

• h(t) = -16t^2 - 30t + 5

• h(t) = 16t^2 + 30t - 5

What should you do first when setting up your calculator for graphing?

• Switch to scientific mode

• Change the battery

• Clear out any existing data

• Turn off the calculator

Which key do you press to start graphing the function on the calculator?

• Y=

• Graph

• Zoom

• Window

How do you adjust the calculator to see the maximum height on the graph?

• Switch to 3D mode

• Adjust the Y-axis range

• Zoom in

• Change the X-axis range

What is the maximum height Kevin Hart reaches?

• 18.75 feet

• 21.0 feet

• 20.5 feet

• 19.625 feet

How long does it take for Kevin Hart to reach his maximum height?

• 1.5 seconds

• 1.0 seconds

• 0.937 seconds

• 0.5 seconds

What is the time taken for Kevin Hart to splash into the water?

• 2.03 seconds

• 3.0 seconds

• 1.5 seconds

• 2.5 seconds

What is the thickness of the blob Kevin Hart is launched from?

• 7 feet

• 3 feet

• 5 feet

• 4 feet

What is Kevin Hart's height after 1 second?

• 21 feet

• 20 feet

• 18 feet

• 19 feet

What is the significance of the Y-intercept in this scenario?

• It indicates the time taken to splash

• It represents the initial height of Kevin Hart

• It shows the maximum height reached

• It is irrelevant in this context