Write the following as intervals: (i) {x: x ∈ R, –4 < x ≤ 6} (

1.	Write the following as intervals: (i) {x: x ∈ R, –4 < x ≤ 6} (ii) {x: x ∈ R, –12 < x < –10} (iii) {x: x ∈ R, 0 ≤ x < 7} (iv) {x: x ∈ R, 3 ≤ x ≤ 4}
Answer» (i) {x: x ∈ R, –4 < x ≤ 6} = (–4, 6] (ii) {x: x ∈ R, –12 < x < –10} = (–12, –10) (iii) {x: x ∈ R, 0 ≤ x < 7} = [0, 7) (iv) {x: x ∈ R, 3 ≤ x ≤ 4} = [3, 4]

Write the following as intervals: (i) {x: x ∈ R, –4 < x ≤ 6} (ii) {x: x ∈ R, –12 < x < –10} (iii) {x: x ∈ R, 0 ≤ x < 7} (iv) {x: x ∈ R, 3 ≤ x ≤ 4}

Answer»

(i) {x: x ∈ R, –4 < x ≤ 6} = (–4, 6]

(ii) {x: x ∈ R, –12 < x < –10} = (–12, –10)

(iii) {x: x ∈ R, 0 ≤ x < 7} = [0, 7)

(iv) {x: x ∈ R, 3 ≤ x ≤ 4} = [3, 4]

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Write the following as intervals: (i) {x: x ∈ R, –4 &lt; x ≤ 6} (ii) {x: x ∈ R, –12 &lt; x &lt; –10} (iii) {x: x ∈ R, 0 ≤ x &lt; 7} (iv) {x: x ∈ R, 3 ≤ x ≤ 4}

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Write the following as intervals: (i) {x: x ∈ R, –4 < x ≤ 6} (ii) {x: x ∈ R, –12 < x < –10} (iii) {x: x ∈ R, 0 ≤ x < 7} (iv) {x: x ∈ R, 3 ≤ x ≤ 4}