Answer to Question #92520 in Math for Jethro Jaftha

Question

Suppose A = {x ∈ R : x > −3} and B = (−4; 5].

1.1 Sketch each of A and B on a separate number line.

1.2 (a) Write A ∪ B in set builder notation.

(b) Sketch A ∪ B on a separate number line.

1.3 (a) Write A ∩ B in interval notation.

(b) Sketch A ∩ B on a separate number line.

Answer 1

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