Use the Following to Answer Questions

question 127

Multiple Choice

Use the following to answer questions :
A driver going down a straight highway is traveling at 70 ft/sec on cruise control when he begins accelerating at a rate of 4.2 ft/sec². The final velocity of the car is given by the function , where V(t) is the velocity at time t.
-If the car is traveling at 100 ft/sec, for how long did it accelerate? (Round to the nearest tenth of a second.)

• A) 6.9 seconds
• B) 7.1 seconds
• C) 7.3 seconds
• D) 7.5 seconds

---

Definitions:

Imperfectly Competitive

A market structure characterized by a few sellers who have some control over the prices and are not price takers, unlike in perfect competition.

Competitive Industry

An industry where numerous sellers offer similar products, ensuring no single entity can dictate prices, fostering competition based on price, quality, and innovation.

Monopolist

An individual or entity that is the sole provider of a particular good or service in the market, enabling them to control prices.

Substitutes

Goods or services that can be used in place of each other, where the increase in price of one leads to an increase in demand for the other.