# test3a - Show your work show the max and min value the...

This preview shows pages 1–3. Sign up to view the full content.

MATH 119 Test 3 A (Chapter 4) NAME: Class ID #: 1) An appliance firm determines to sell q unit, the price per unit is given by p = 400 - q it also determines that the total cost of producing q radios is given by: C ( q ) = 1000 + q 2 . How many units must be produced and sell to maximize the profit 2) An apartment complex can fill 100 units when the rent is \$400 per month. It is estimated that for each \$10 per month decrease in rent, 5 more units will become occupied. The complex has a monthly maintenance cost of \$100 for each unit rented. What monthly rent should be charged to maximize the profit? 3) A rectangular play area to be fenced off beside Bob's house. Bob agreed to pay the cost of the side beside his house, also he agreed to pay 1/2 of the cost for two sides and 1/3 of the cost for the other side that he shares with his neighbors. if he has \$240, what are the dimensions for the largest area? Bob's house 1/2 1/2 1/3

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
4) Use the first derivative to find all critical points and use the second derivative to find all inflection points.
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Show your work, show the max and min value, the interval where the function is increasing or decreasing, concave up or down and sketch the graph. f(x) = x 3- 3 x + 2 and Sketch the graph Show your work here: Increasing in: Decreasing in: Local Max. and Max values: Local Min. and Min values: Inflection points at: Concave Up in: Concave Down in: 5) Use the first derivative to find all critical points and use the second derivative to find all inflection points. Show your work, show the max and min value, the interval where the function is increasing or decreasing, concave up or down and sketch the graph. f(x) = x 5- 15 x 3 and Sketch the graph Show your work here: Increasing in: Decreasing in: Local Max. and Max values: Local Min. and Min values: Inflection points at: Concave Up in: Concave Down in:...
View Full Document

## This note was uploaded on 02/29/2012 for the course MATH 119 taught by Professor Maanomran during the Fall '09 term at Indiana University-Purdue University Fort Wayne.

### Page1 / 3

test3a - Show your work show the max and min value the...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online