Given the function . For the function to always be below the axis, the possible value of is....
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Given the function mx2−2x2+2mx+m−3. For the function to always be below the x axis, the possible value of m is....
Combine like terms so the function becomes
with a=m−2, b=2m and c=m−3.
The condition for the function to always be below the x axis is D<0 and a<0.
The intersection of both solutions is m<151.
Therefore, the value of m below the x axis that is possible is m<151.