Which of the following is the maximum value of the equation y = −x2 − x + 6?
1 answer:
Step-by-step explanation:
f(x) = y= -x²-x+6
When y is max, f'(x) = 0
f'(x) = -2x-1
Equating to 0,
-2x-1= 0
x= -1/2
Put the value of x in f(x)
y = -(-1/2)² -(-1/2) +6
= -1/4+1/2+6
= 6+1/2
y= 13/2
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
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move the decimal 2 places to the right
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