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jamaiciaw6
07.05.2021 •
Mathematics
On Monday Nadia made eighteen items . She makes bracelets and necklaces. Her receipts for Monday totaled $144.00. If bracelets sell for $6.00 and necklaces for $9.00 , how many bracelets did Nadia sell on Monday ?
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Ответ:
The total cost is on joe mamas debit card
Step-by-step explanation:
Ответ:
ANSWER D
f(-4)=-4(-4)^3-28*(-4)²-32*(-4)+64=0
f(1)=-4-28-32+64=0
f'(x)=-12x²-56x-32
f'(x)=0==>6x²+28x+16=0 ==>x=-2/3 or x=-4
Thus
The graph touches the x axis at x = –4 and crosses the x axis at x = 1.