Solve the Problem $\{ x \mid 1.5 \mathrm { sec } < \mathrm { x } < 8.5 \mathrm { sec } \}$

question 266

Multiple Choice

Solve the problem.
-A ball is thrown vertically upward with an initial velocity of 160 feet per second. The distance in feet of the ball from the ground after t seconds is s = 160t - 16t2. For what interval of time is the ball more than 256 above the
Ground?

• A) \(\{ x \mid 1.5 \mathrm { sec } < \mathrm { x } < 8.5 \mathrm { sec } \}\)
• B) \(\{ x \mid 2 \sec < x < 8 \mathrm { sec } \}\)
• C) \(\{ x \mid 4.5 \mathrm { sec } < x < 5.5 \mathrm { sec } \}\)
• D) \(\{ x \mid 7 \sec < x < 13 \mathrm { sec } \}\)

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Definitions:

Ethnic Group

A society or populace comprised of members with similar cultural roots or lineage.

Split Labour Market

A theory explaining the division of the labor market into separate segments, often along racial or ethnic lines, leading to conflicts and disparities in wage and employment conditions.

Policy Measures

Actions, strategies, or laws undertaken by government or organizations to address specific issues or achieve targeted outcomes.

Canadian Mosaic

The concept of multiculturalism in Canada, where diverse cultural groups coexist and maintain their distinctiveness.