Ken Is 6 Feet Tall and Is Walking Away from a Streetlight

question 115

Multiple Choice

Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.1 feet per second. Find a function, d(t) , which gives the distance Ken is from the streetlight in terms of time. Find a function, S(d) , which gives the length of Ken's shadow in terms of d. Then find S(d) . What is the meaning of $( S \circ d ) ( t )$

• A) \(( S \circ \mathrm { d } ) ( \mathrm { t } )\) gives the time in terms of Ken's distance from the streetlight.
• B) \(( S \circ d ) ( t )\) gives the distance Ken is from the streetlight in terms of time.
• C) \(( S \circ d ) ( t )\) gives the length of Ken's shadow in terms of time.
• D) \(( \mathrm { S } \circ \mathrm { d } ) ( \mathrm { t } )\) gives the length of Ken's shadow in terms of his distance from the streetlight.

---

Definitions:

White Space

Areas of a page left unmarked; in design, it helps to create a visual structure and guide the viewer's focus.

Line Length

The measurement of the length of a line of text, which can affect readability and visual appeal in written communication.

Justification

The act or process of showing, proving, or reasoning that something is right, warranted, or necessary.

Leading

The act of guiding or directing a group, organization, or individual toward a certain goal or objective.