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Verified Answer :

Azieq

12 = 2(8) + c
c = - 4
y = 2x - 4

HomertheGenius

The function has a slope : m = - 2 and contains the point ( 8, 12 ).
y = m x + b
12 = ( - 2 ) * 8 + b
12 = - 16 + b
b = 12 + 16
b = 28
The slope-intercept form of the function is:
y = - 2 x + 28

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