X is directly proportional to the cube of y when x=32 y=0.4 find the value of y when x=256
1 answer:
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Given
Divide it by (x+1) using synthetic division, as shown below
The green line is a minus sign.
Thus,
Therefore, since the remainder is different than zero, (x+1) is not a factor of 4x^2+2x-5
