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

User Jonathan Larouche
by
8.1k points

2 Answers

5 votes

Answer:

D

Explanation:

i know im really late


User Jzila
by
8.1k points
4 votes
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
User GoGreen
by
7.9k points
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