
(a)
The matrix C to represent the current prices.
(a)

Answer to Problem 14PPS
The matrix for the current prices is
Explanation of Solution
Given:
The given table is shown in Table 1
Table 1
Drink | Small | Medium | Large |
Soda | 0.95 | 1 | 1.05 |
Iced Tea | 0.75 | 0.80 | 0.85 |
Lemonade | 0.75 | 0.80 | 0.85 |
Coffee | 1 | 1.10 | 1.20 |
Calculation:
To write the matrix that represent the current prices consider the table shown in table 1 as,
(b)
To Find: The scalar that can determine a matrix
(b)

Answer to Problem 14PPS
The required scalar is
Explanation of Solution
Consider the matrix is,
Consider that the prices are increased by 10% so the new prices are,
(c)
To Find: The matrix N.
(c)

Answer to Problem 14PPS
The required matrix
Explanation of Solution
Consider the matrix is,
Consider the scalar 1.1 then,
(d)
To Find: The difference
(d)

Answer to Problem 14PPS
The matrix is
Explanation of Solution
Consider the matrix is,
Consider the other matrix,
Then,
The matrix shows the increase in price.
Chapter 4 Solutions
Algebra 2
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