Michcardwell1071
22.08.2019 •
Mathematics
What are the zeros of the function f(x)=x^2-2x-15
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Ответ:
f(x)=x²-2x-15=x²-2x+1-16=(x-1)²-16
=(x-1-4)(x-1+4)=(x-5)(x+3)
Zeroes are x=5 or x=-3
Ответ:
15.9 times 25,250 = 401475 divided by 100 = 4014.75
Answer = 4015 would be expected to deliver by C-section.