Becca014Goulart Becca014Goulart

03-10-2018
Mathematics

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Galera preciso resolver essa questão é não sei como resolvê-la me ajudem por favor

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Respuesta :

musiclover10045 musiclover10045

03-10-2018

Calculate f(3) by replacing X with 3:

f(x) = x^2 -1

f(3) = 3^2 -1

F(3) = 9-1

f(3) = 8

Now calculate f(-4) by replacing x with -4:

f(x) = x^2 -1

f(-4) = (-4)^2 - 1

f(-4) = 16 -1

f(-4) = 15

Now add f(3) to f(-4)

8 + 15 = 23

The answer is a) 23

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