Step-by-step explanation:
4(3x-2) + 6x(2-1)
10x + 11x
21x
4x is the proportionality
Answer:
k = -2
Step-by-step explanation:
x -1 0 2 5
f(x) 2 0 -4 -10
ƒ(x) = kx
Substitute a pair of values for x and ƒ(x)
-10 = k×5
Divide each side by 5
k = -2
The constant of variation k = -2.
Answer:
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Step-by-step explanation: