Between the Years 1960 and 2002, the Percent of Women

question 34

Multiple Choice

Between the years 1960 and 2002, the percent of women in the work force is given by , where x is the number of years past 1950 (Source: U.S. Bureau of Labor Statistics) . Graph this function with a graphing utility and use the graph drawn to estimate the year in which the percent reached 60. Round your answer to the nearest year. ​

• A)1990
• B)1997
• C)2002
• D)2010
• E)2015

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Definitions:

Welded Tuff

A type of rock formed by the compaction and cementation of volcanic ash and debris, heated enough post-deposition to weld together.

Scoria

A dark gray, black, or reddish volcanic rock that contains abundant vesicles, usually having the composition of basalt or andesite; synonymous with volcanic cinders.

Basalt

A dark, fine-grained volcanic rock formed from the rapid cooling of magnesium- and iron-rich lava, characteristic of oceanic crust.

Basaltic Lava

A type of lava that flows from volcanic eruptions, characterized by its low viscosity and high iron and magnesium content.