Some college students launched water balloons from the balcony of their dormitory on unsuspecting sunbathers. The height in feet of the balloons at a time t seconds after being launched is given by the polynomial function f(t) = -16t2 + 12t + 28. What was the height of the balloons 0.5 second and 1.5 seconds after being launched? f(0.5) = ft f(1.5) = ft

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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Water Balloon Launch: Analyzing Heights with a Polynomial Function

Some college students launched water balloons from the balcony of their dormitory on unsuspecting sunbathers. The height in feet of the balloons at a time \( t \) seconds after being launched is given by the polynomial function:

\[ f(t) = -16t^2 + 12t + 28 \]

#### Problem Statement
What was the height of the balloons 0.5 second and 1.5 seconds after being launched?

\[ f(0.5) = \_\_\_\_\_ \text{ ft} \]
\[ f(1.5) = \_\_\_\_\_ \text{ ft} \]

To solve this, simply substitute \( t = 0.5 \) and \( t = 1.5 \) into the polynomial function to find the height \( f(t) \) at these specific times.

### Detailed Explanation of the Task

1. **Substitute \( t = 0.5 \)**:
   \[ f(0.5) = -16(0.5)^2 + 12(0.5) + 28 \]
   This will give the height of the balloon 0.5 second after being launched.

2. **Substitute \( t = 1.5 \)**:
   \[ f(1.5) = -16(1.5)^2 + 12(1.5) + 28 \]
   This will give the height of the balloon 1.5 seconds after being launched.

By performing these calculations, one can determine the respective heights of the water balloons at the specified times.
Transcribed Image Text:### Water Balloon Launch: Analyzing Heights with a Polynomial Function Some college students launched water balloons from the balcony of their dormitory on unsuspecting sunbathers. The height in feet of the balloons at a time \( t \) seconds after being launched is given by the polynomial function: \[ f(t) = -16t^2 + 12t + 28 \] #### Problem Statement What was the height of the balloons 0.5 second and 1.5 seconds after being launched? \[ f(0.5) = \_\_\_\_\_ \text{ ft} \] \[ f(1.5) = \_\_\_\_\_ \text{ ft} \] To solve this, simply substitute \( t = 0.5 \) and \( t = 1.5 \) into the polynomial function to find the height \( f(t) \) at these specific times. ### Detailed Explanation of the Task 1. **Substitute \( t = 0.5 \)**: \[ f(0.5) = -16(0.5)^2 + 12(0.5) + 28 \] This will give the height of the balloon 0.5 second after being launched. 2. **Substitute \( t = 1.5 \)**: \[ f(1.5) = -16(1.5)^2 + 12(1.5) + 28 \] This will give the height of the balloon 1.5 seconds after being launched. By performing these calculations, one can determine the respective heights of the water balloons at the specified times.
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