JEE Class main Answered
Determine the value of x , the following function are incrasincr or decreasing
-3x^2+12x+8
Asked by anchalborse1409 | 05 Feb, 2019, 01:52: PM
Expert Answer
F(x) = -3x2 +12x +8
dF/dx = -6x+12
if dF/dx is +ve, function value is increasing. Hence for increasing function -6x+12>0 or x > 2
if dF/dx is -ve, function value is decreasing. Hence for decreasing function -6x+12<0 or x < 2
Answered by Thiyagarajan K | 06 Feb, 2019, 07:34: AM
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