Respuesta :

Answer:

5

Step-by-step explanation:

note that (h + k)(x) = h(x) + k(x)

h(x) + k(x) = x² + 1 + x - 2 = x² + x - 1

Substitute x = 2 to evaluate (h + k)(2), that is

(h + k)(2) = 2² + 2 - 1 = 4 + 2 - 1 = 6 - 1 = 5

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Answer:

First answer is 5. second answer is 9. third answer is 17.

Step-by-step explanation:

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