Answer:
-1/4 x^2 +3x+10
Step-by-step explanation:
{(3, -1), (7, 1), (-6, -1), (9, 1), (2, -1)}
Any relation having repetitive x-coordinates, is NOT a function.
Face diagonal of a cube:
f2 = a2 + a. Then f2 = 2a.
1 .i think it is d
$230
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