Answer:
See below
Step-by-step explanation:
<u>If you just want the tip</u>
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<u>If you want the total bill</u>
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y = a ( x - h)^2 + v
a is positive when the parabola opens up and negative when it opens down.
Hello :
<span>(27ax^3 – 9a^2x) ÷ 3ax :
</span> <span>(27ax^3 – 9a^2x) / 3ax
</span> (27ax^3 ) / (3ax) –( 9a^2x) / 3ax = 9x² - 3a
According to your question the height for the triangle is 12inch
So you use the method FOIL
Front
Out
Inside
Last
So it would be
X^2-4x+3x-1
X^2-1x-1
So i think it’s -x