Respuesta :

unicorn3125

Answer:

           (f o g) (x) = 2x² - 13

Step-by-step explanation:

f(x) =2x+1 and g(x)=x²-7

(f o g) (x) = f [g(x)] = 2[g(x)] + 1 = 2(x²-7) + 1 = 2x² - 14 + 1 = 2x² - 13

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