Step-by-step explanation:
the first is
2(x - 1/2)² = 2(x² - 2×1/2×x + 1/4) = 2x² - 2x + 1/2
so, no, this is not the same.
the second is
2(x - 1/4)² = 2(x² - 2×1/4×x + 1/16) = 2x² - x + 1/8
that is the correct answer.
the third is
2(x - 1/8)² = 2(x² - 2×1/8×x + 1/64) = 2x² - 1/2 x + 1/32
so, no, this is not the same.
the fourth is
2(x - 1/16)² = 2(x² - 2×1/16×x + 1/256) = 2x² - 1/4 x + 1/128
so, no, this is not the same.
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Answer:
Step-by-step explanation:
Divide 28 by 4 to get the one week rate. 28/4 = 7.
$7 in one week.
(3*c)-7
The product of 3 and c means they would be multiplied and since it’s 7 less than you would subtract 7 from the product
The markup is 8%, meaning it costs 8% more.
The starting price is 100%.
Therefore, the markup is 108% of $12.
If we multiply 12 by 108% (1.08), we will get our answer of $12.96