Solve first for the solution of the inequalities. This can be done by replacing first the inequalities sign with the equal sign.

x + y = 1
2y = x - 4

The values of x and y from the system of linear equation are 2 and -1. This means that the intersection of the lines should be at point (2, -1).

Substitute 3 to x and determine the value of y from the second inequality.
2y ≥ x - 4

Substituting,
2y ≥ 3 - 4, y ≥ -1/2

Hence, the solution to this item should be the fourth one.

6 0

3 years ago

III. If E={1, 2, 3, 4, 5, 6, 7, 8, 9, 10) A=(2, 3, 5, 7), B=(1, 3, 5, 7, 9) List the following sets: a) (AUB) b) (AnB) c) AnB' d

tresset_1 [31]

Step-by-step explanation:

A u B = { 1,2,3,5,7,9}

AnB = { 3,5,7}

B' = {2,4,6,8,10}

so AnB' = {2}

(AnB) = {1,3,4,5,6,7,8,9,10}

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3 0

2 years ago