Answer:
The slope is 4
Step-by-step explanation:
rise over run
Tangent (R) = opposite / adjacent = 5 / 12 =
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<span>
0.416666
arc tangent (.416666) = angle R = 22.62 Degrees
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A.
The graph of y= -1/2+5 is incorrect.
X=d-15. Duh.
think about it, its equal to the original price minus 15%
