For what values of m does the graph of y = mx^2 – 5x – 2 have no x-intercepts?
1 answer:
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Answer:
Step-by-step explanation:
Given
See attachment for complete question
Solving (a): The entry C22
First, matrix C represents the inventory at the end of July.
The entry of C is calculated as:
i.e.
Item C22 means the entry at the second row and the second column.
From the matrix
Solving (b): The maximum A31 possible.
From the given data, we have:
From the matrices above.
A31 means entry at the 3rd row and 1st column.
So, the possible values of A31 are:
and
By comparison, 376 > 54
So:
