The Mass of a Rod Varies in Such a Way $x ^ { 2 }$

question 171

Multiple Choice

The mass of a rod varies in such a way that the mass of a piece x meters long, measured from the left end, is $x ^ { 2 }$ kilograms. Find the density in kg/m at the point 2 meters from the left end.

• A)1
• B)5
• C)3
• D)4
• E)7
• F)6
• G)2
• H)8

---

Definitions:

Numerically

Pertaining to numbers, or expressed in numbers, often relating to numerical data or mathematical calculations.

Bivariate Data Set

A type of data that involves two variables and is used to find relationships or patterns between them.

Qualitative Variable

A variable that describes non-numeric categories or characteristics.

Frequencies

The count of how often different values or categories occur in a dataset.