Maximum Value of a Function and Decreasing Function
Not what you're looking for?
In recession, congress decided to stimulate the economy by providing funds to hire unemployed workers for gov. projects. Suppose the t months after the stimulus programs have begun, there are N(t) thousand people unemployed, where:
N(t)= -t^3 + 45t^2+408t + 3078
a). What is the max # of unemployed workers?
When does the minimum level of unemployment happen?
b)In order to avoid over-stimulating the economy, a decision was made to terminate the program as soon as the rate of unemployment begins to decline. When does this occur?
At this time, how many people are unemployed?
Purchase this Solution
Solution Summary
Maximum value of a function and a decreasing function are investigated.
Solution Preview
N(t)= -t^3 + 45t^2+408t + 3078
a) What is the max # of unemployed workers?
N'(t) = 0
Or -3t2 + 90t + 408 = 0
Or t2 - 30t - 136 = 0
Or t2 - ...
Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Probability Quiz
Some questions on probability
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts