. The quuadratic expression 21 + 12x - 4 x power2 takes
The quuadratic expression 21 + 12x - 4 x2 takes
(A): the least value 5
(B): the highest value 30
(C): the highest value 21
(D): none of these
Best Answer
Correct Answer is:
(B): the highest value 30
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