Math Problem Solver

Question 4

4

Points

Question 4

Consider the following matrix:

A equals open parentheses table row 3 6 6 6 6 5 row 5 1 1 8 0 8 row 1 9 0 7 8 4 row 7 2 1 7 3 9 row 8 2 0 0 6 5 row 4 1 1 9 6 7 end table close parentheses

Calculate/complete the following:

open vertical bar A close vertical bar equals-26856

A to the power of negative 1 end exponent equals open parentheses table row ? ? ? ? ? ? row ? ? ? ? bold italic a ? row ? ? ? ? ? ? row ? ? ? ? ? ? row ? bold italic b ? ? ? ? row ? ? ? ? ? ? end table close parentheses

bold italic a equalsBlank 2 – 4 decimal places

bold italic b equalsBlank 3 – 4 decimal places

Give the value of A subscript 56 superscript negative 1 end superscript equalsBlank 4 – 4 decimal places

Blank 1

-26856

Blank 2

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Blank 3

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Blank 4

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Question 5

Question 5

6

Points

Question 5

Click the three dots to the right to download the Excel file below:

Matrix data - Excel 2.xlsx

Consider Basket 6 for the remainder of this question.

Let B be a column vector of 1’s (use the instructions below to help you decide on the dimension of this vector).

Let D equals B apostrophe Q and answer the questions below.

D subscript 13 equalsBlank 1

The matrix D can be interpreted as: Blank 2 – only type the letter of the option you choose.

a. The average number of surgeries per category over the different years.

b. The total number of surgeries per category over the different years.

c. The average number of surgeries per year for all the surgeries in the “basket”.

d. The total number of surgeries per year for all the surgeries in the “basket”.

e. None of these options.

Let F equals Y minus E, where F subscript 32 equalsBlank 3.

Blank 1

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Blank 2

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Blank 3

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