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If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(6).

If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(6).
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2 votes
If f(x) varies directly with x2, and f(x) = 96 when x = 4, find the value of f(6).

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User MattGWagner
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7.4k points

1 Answer

2 votes
f(x)=kx
96=k(4)
k=24

f(x)=kx
f(6)=24(6)
f(6)=144
answered
User Viraptor
by
8.6k points
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