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Material Price($/ton)           Quantity purchased (tons)                                                            May        June       July  1                          300                           5              4            6  2                          550                           3              2            4  3                          400                           6              5            3  4                          250                           3              5            4  5                          500                           2              4            3   QUESTION: Create a 5x3 matrix containing the amount for each item for each month Compute the total spent for each month Compute the total spent on each material in 3 months period Compute the total spent on all materials in 3 months period

Material Price($/ton)           Quantity purchased (tons)                                                            May        June       July  1                          300                           5              4            6  2                          550                           3              2            4  3                          400                           6              5            3  4                          250                           3              5            4  5                          500                           2              4            3   QUESTION: Create a 5x3 matrix containing the amount for each item for each month Compute the total spent for each month Compute the total spent on each material in 3 months period Compute the total spent on all materials in 3 months period

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 35E
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Question
  1. Material Price($/ton)           Quantity purchased (tons)

                                                           May        June       July

 1                          300                           5              4            6

 2                          550                           3              2            4

 3                          400                           6              5            3

 4                          250                           3              5            4

 5                          500                           2              4            3

 

QUESTION:

  1. Create a 5x3 matrix containing the amount for each item for each month
  2. Compute the total spent for each month
  3. Compute the total spent on each material in 3 months period
  4. Compute the total spent on all materials in 3 months period

       

  1. Find a polynomial whose roots are 2 and 5 ± 3i. Then evaluate the polynomial at x=0 to 10 using

the syntax polyval at specified values of its independent variable x which can be a matrix or a vector. Plot the function.

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