Answer:
The answer is B.-3/2
Please correct me If I am wrong
Step-by-step explanation:
I use 
Also, you automatically know that the line is decreasing
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Answer:
The resulting matrix will be 11 * 7
Step-by-step explanation:
Given
Matrices 11 * 6 multiplied by 6 * 7
Required
The dimension of the resulting matrix
When a matrix a * b is multiplies by a matrix b * c, the resulting matrix will be: a * c
In this case:


So, the resulting matrix will be:

Expanded: 3x^2 + 17x +10
Simply: it’s already simplified