Answer:
A
Explanation:
the equation of proportionality is
y = kx ← k is the constant of proportionality
y = x = 2x ← with k = 2
B
y = x = 1x ← with k = 1
C
y = x = x ← with k =
D
y = x = 11x ← with k = 11
Choice A.
y = 10/5 x
becAUSE 10/5 = 2
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