Question

PLEASE HELP!!

Determine whether y varies directly with x. If so, find the constant of variation k and write equation.
X 3, 12, 48, 192
Y 21, 84, 336, 1344
A. yes; k=7;y=7x
B. yes; k=4;y=4x
C. yes; k = 3 ; y = 3x
D. no

Answer 1

the answer is B

because its always multiply by 7

Explanation:

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