Correct Answer: Option D
Explanation
y = x
2 - 2x - 3,
Then \(\frac{\delta y}{\delta x} = 2x - 2\)
But at minimum point,\(\frac{\delta y}{\delta x} = 0\),
Which means 2x - 2 = 0
2x = 2
x = 1.
Hence the minimum value of y = x
2 - 2x - 3 is;
y
min = (1)
2 - 2(1) - 3
y
min = 1 - 2 - 3
y
min = -4
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