Asked by V

does the data in the table represent a direct variation or an inverse variation?
X 1 3 4 7
y 5 15 20 35

A. Direct variation; y=1/5x*******
B. Inverse variation xy=5
C. Direct variation y=5x
D. Inverse variation xy=1/5
Answered by mathhelper
correct
Answered by oobleck
huh? y = 5x
Answered by mathhelper
oops.
of course!
there is that "oldtimers" problem
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