I think the answer would be 1.8
(-1, -6) is the vertex of that equation. use the number in the brackets and change the signs for the x-value. use the last number outside of the brackets for the y-value
<em>Answer:</em>
<em>13</em>
<em />
<em>Method:</em>
Split 52 in half, then split that in half again
A) is not a function because you have two X values of -1
B) is not a function because you have two X values of -2
C) is not a function because you have two X values of 0
D) This is a function because all X values are different.
70 x 1.25 = 87.5
Therefore the new weight of the bag is 87.5g.
