Answer :

Final answer:

To find f(6) for the function f(x) = 1/2 x² - 3, substitute x with 6 and simplify to get 15 as the answer.

Explanation:

To find f(6) when f(x) = 1/2 x² - 3, substitute x = 6 into the function and simplify:

f(6) = (1/2) · (6²) - 3

f(6) = (1/2) · 36 - 3

f(6) = 18 - 3

f(6) = 15

From the above solution we can conclude that, the correct answer is option B.15.

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Rewritten by : Barada

Answer:

15

Step-by-step explanation:

Put 6 where x is and do the arithmetic.

f(6) = 1/2·6² -3 = 1/2·36 -3

= 18 -3 = 15