Answer:
(b)
Step-by-step explanation:
A suitable calculator or spreadsheet can find the matrix product for you. Here, the answer choices differ in their upper left term, so we can determine the correct choice by finding the value of that term. It is the dot product of the first row of B and the first column of A.
(5)(3) +(7)(3) +(3)(2) = 15 +21 +6 = 42
This matches choice B.
Answer:
Option C.
Step-by-step explanation:
A dashed straight line has a negative slope and goes through (0, 2) and (4, 0).
The given inequality is
We need find the point which is a solution to the given linear inequality.
Check the given inequality for point (2, 3).
This statement is false. Option 1 is incorrect.
Check the given inequality for point (2, 1).
This statement is false. Option 2 is incorrect.
Check the given inequality for point (3, -2).
This statement is false. Option 3 is correct.
Check the given inequality for point (-1,3).
This statement is false. Option 4 is incorrect.
Therefore, the correct option is C.
