Respuesta :

Answer:

-9

Step-by-step explanation:

g(x) = x^2 - 6

h(x) = x^2 + 3

Just plug this information in g(x) = h(x) + k

x^2 - 6 = x^2 + 3 + k and solve for k -

x^2 - 6 - x^2 - 3 = k

-9 = k

k = -9

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