# Q.6 Write the following as intervals :(i) {x : x $\in$R, – 4 $<$ x $\leq$ 6}(ii) {x : x $\in$ R, – 12 $<$x $<$–10}(iii) {x : x $\in$ R, 0 $\leq$ x $<$ 7}(iv) {x : x $\in$ R, 3 $\leq$  x $\leq$  4}

The following can be written in interval as :

(i) {x : x $\in$R, – 4 $<$ x $\leq$ 6} $= \left ( -4 ,6 \right ]$

(ii) {x : x $\in$ R, – 12 $<$x $<$–10} $= \left ( -12,-10 \right )$

(iii) {x : x $\in$ R, 0 $\leq$ x $<$ 7} $= \left \left [ 0,7\right )$

(iv) (iv) {x : x $\in$ R, 3 $\leq$  x $\leq$  4} $=\left [ 3,4 \right ]$

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