Solve the Problem
-A Toy Rocket Is Shot Vertically Upward $t$

question 228

Multiple Choice

Solve the problem
-A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in $t$ seconds is given by $\mathrm { s } ( \mathrm { t } ) = - 16 \left( \mathrm { t } ^ { 2 } \right) + 142 \mathrm { t }$ . At what time(s) will the ball be $151 \mathrm { ft }$ from the ground? Round your answer to the nearest tenth of a second.

• A) \(1.2 \mathrm { sec }\) and \(7.6 \mathrm { sec }\)
• B) \(137.8 \mathrm { sec }\) and \(146.2 \mathrm { sec }\)
• C) \(8.9 \mathrm { sec }\)
• D) \(4.4 \mathrm { sec }\)

---

Definitions:

Employee Stock Option (ESO)

A benefit given to employees which grants them the right to purchase shares of the company at a specified price after a certain period.

Call Options

Financial contracts giving the option buyer the right, but not the obligation, to buy a stock, bond, commodity, or other assets at a specified price within a specific time period.

European Options

Financial derivatives that give the holder the right, but not the obligation, to buy or sell an asset at a specified price only on the option's expiration date.

Conversion Price

The price per share at which a convertible security, such as convertible bonds or convertible preferred stock, can be converted into common stock.