alexisrow alexisrow
  • 04-02-2016
  • Mathematics
contestada

The function of f(x) varies directly with x, and f(x)=48 when x=8.
Evaluate f(x) when x=2

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RASEA23
RASEA23 RASEA23
  • 04-02-2016
Here's the equation for direct variation. k=y/x    [ f(x)=y]
Find k
k= 48/8=6
6=y/2
y=12
Hope this helps. 
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