jayden962
01.07.2019 •
Mathematics
If f(x) = -x2+9x-18, then what is the maximum value of f(x)?
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Ответ:
=-(x^2-9x+18)
=-((x-3)(x-6))
As leading coefficient is negative, between the two zeros is the maximum
=(3+6)/2
=(9)/2
x=4.5
=-(4.5)^2+9(4.5)-18
=2.25
Ответ:
1
2
3
4
6
8
12
24
Step-by-step explanation:
1x 24
2x12
3x8
4x6