Aptitude | Algebra | Question 3
For any real number x the maximum value of 4−6x−x2 is at x=
(A) 4
(B) 6
(C) -3
(D) 3
Answer: (C)
Explanation: Differentiate and equate to 0
6+2x =0
For any real number x the maximum value of 4−6x−x2 is at x=
(A) 4
(B) 6
(C) -3
(D) 3
Answer: (C)
Explanation: Differentiate and equate to 0
6+2x =0
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