Solve the Problem $t$ Seconds Is $\mathrm { s } = 96 \mathrm { t } - 16 \mathrm { t } ^ { 2 }$

question 374

Multiple Choice

Solve the problem.
-A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance in feet of the ball from the ground after $t$ seconds is $\mathrm { s } = 96 \mathrm { t } - 16 \mathrm { t } ^ { 2 }$ . For what interval of time is ball more than 128 above the ground?

• A) between 2 and 4 seconds
• B) between \(1.5\) and \(4.5\) seconds
• C) between 5 and 7 seconds
• D) between \(2.5\) and \(3.5\) seconds

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Definitions:

Return

The gain or loss on an investment over a specific period, usually expressed as a percentage of the investment's initial cost.

Total Risk

The complete range of risks associated with an investment, including both systemic and unsystematic risk.

Modigliani

Refers to Franco Modigliani, an Italian-American economist known for his work on corporate finance, the Modigliani-Miller theorem, and the life-cycle hypothesis of saving.

Developed

Pertains to countries that have a high level of industrialization, a high standard of living, and a well-established economic structure.