Identify the domain of the function.
a) d: {x| −2 < x < 4}
b) d: {x| −3 < x < 3}
c) d: {x| −2 ≤ x ≤ 4}
d) d: {x| −3 ≤ x ≤ 3}

For this case the first thing you should do is observe all the values of x that the function takes along the graph.
 We have then that the graph:
 It starts at x = -2 (not including it)
 Ends in x = 4 (not including it)
 Therefore, the domain of the function is:
 (-2, 4)
 
 A) D: {x | -2 <x <4}

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