\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \(A = \{1, 2, 3\}\) and \(B = \{p, q, r\}\). A function \(h:A\rightarrow B\) is defined by the mapping diagram below.
Determine if the function \(h\) is injective, surjective, and/or bijective. Justify your answers.
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