joseph1950 joseph1950

13-04-2017
Mathematics

contestada

If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(2). 192 72 32 24

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13-04-2017

f ( x ) = k * x²
f ( 4 ) = 96
96 = k * 4²
96 = 16 k
k = 96 : 16
k = 6
f ( 2 ) = 6 * 2² = 6 * 4 = 24
ANSWER D

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cbyles13 cbyles13

04-01-2019

Answer:

D

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i know im really late

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