mollycompton04
20.08.2021 •
Mathematics
5. What do the average rates of change of the function y = |x|+ 2 over the intervals [-2, 0], [0, 3), and (-2, 3] indicate about the function?
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Ответ:
Step-by-step explanation:
1) y=x²-8x+5=0
2) x²-8x=-5
3) x²-8x+16=9
4) (x-4)²=9
5)(x-4)²-9=0
((x-4)-3)((x-4+3)=0
(x-7)(x-1)=0
x=7 or x=1
sol={1;7}