[tex]g(a) = 2a + 4[/tex]
[tex]g(8) = 2(8) + 4 = 20[/tex]
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[tex]h(a) = {a}^{2} + 1 [/tex]
[tex]h(g(8)) = h(20) = {20}^{2} + 1 = 401 \\ [/tex]
Done...♥️♥️♥️♥️♥️