The Velocity of an Object as a Function of Time

question 31

Multiple Choice

The velocity of an object as a function of time is given by v = (12.5t − 7.2t²) + (4.3t³) .What is its acceleration as a function of time?

• A)a = (12.5 − 14.4t) + (12.9t²)
• B)a = (−7.2) + (4.3t)
• C)a = (5.3t) + (12.9t²)
• D)a = (−7.2) + (8.6t)
• E)a = (−14.4t) + (4.3t²)

---

Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean or average of the data set.

Commutes

The act of traveling from one's home to their place of work or study and back.

Boxplot

A method of visually displaying a dataset's variability and central tendency using quartiles and median, often utilized for comparing distributions.

Employees

Individuals who are hired to perform tasks or services for an organization in return for compensation.