# calculus

Union membership as a percentage of the labor force can be modeled by
M(x) = 0.0003x3 − 0.066x2 + 4.64x − 81, where x is the number of years after 1900,and M is membership as a percentage of the labor force.
a. Find the rate at which membership is changing in 1960.
b. Find the rate at which membership is changing in 1985.

1. 👍 0
2. 👎 0
3. 👁 78
asked by lis
1. M'(x) = .0009x^2 - .132x + 4.64

Now just evaluate M' for your years.

1. 👍 0
2. 👎 0
posted by Steve
2. ty!

1. 👍 0
2. 👎 0
posted by lis

## Similar Questions

1. ### Statistics

EU (European Union) countries report that 46% of their labor force is female. The United Nations wants to determine if the percentage of women in the U.S. labor force is the same. Representatives from the United States Department

asked by Anonymous on January 18, 2012
2. ### Economics

Suppose that the objective of a union is to maximize the total dues paid to the union by its membership. Explain the union strategy, in terms of the wage level and employment level, under the following two scenarios. a)Union dues

asked by Anonymous on November 6, 2009
3. ### World History- (Ms. Sue)

What is the significance of labor union? My answer is labor union is significant because the major importance of a labor union is to organize the workers in order to make available a organization to negotiate a collective

asked by Victoria on February 19, 2013
4. ### HR

Under the Taft-Hartley Act, three of the following are unfair labor practices on the part of the union. Which is not an unfair labor practice on the part of the union, under the Taft-Hartley Act? A. Threatening employees with

asked by Blue on July 21, 2018
5. ### Stats

The countries of Europe report that 46% of the labor force is female. The United Nations wonders if the percentage of females in the labor force is the same in the United States. Representatives from the United States Department

asked by LT on October 31, 2007
6. ### Help

The countries of Europe report that 46% of the labor force is female. The United Nations wonders if the percentage of females in the labor force is the same in the United States. Representatives from the United States Department

asked by LT on October 29, 2007
7. ### math

The percentage of working mothers y can be modeled by the equation y=0.0102x + 0.644 where x is the number of years since 1990. In what year will 90% of mothers be in the labor force?

asked by Bob on January 28, 2010
8. ### labor relations

to most effectively increase its percentage of the labor force in the 1990s, the union movement should increase its appeal to:

asked by Rachel on December 13, 2012
9. ### Social Studies

What happened to unions after the protest at Haymarket Square? My answer: Afterward, the Chicago police arrested hundreds of union leaders, socialists, and anarchists. Opposition to unions increased. The membership in the Knights

asked by Anonymous on May 14, 2013
10. ### US History

Why did the National Labor Union collapse? Please don't give me links - I've looked everywhere, including Wikipedia. I just don't understand what actually caused it to collapse so I'm looking for an answer. I'm trying to connect

asked by Belinda on February 12, 2007

More Similar Questions