Answer:
y is directly proportional to x
∴y=kx ...(1)
when y = 12 and x = + 4
putting in (1)
12=k(4)
k=3
∴y=3x
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Answer:
y is directly proportional to x
∴y=kx ...(1)
when y = 12 and x = + 4
putting in (1)
12=k(4)
k=3
∴y=3x