Answer:
g(-5) = -127
Step-by-step explanation:
Plug in -5 for x:
g(-5) = (-5)^3 - 2
= -125 - 2
= -127
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So, say the original price is "x" pounds, namely the 100%, then it gets increased by 12% and lands on £190.40, so <span>£190.40 is really 100% + 12% or the 112% then.
since we know that </span><span>£190.40 is 112%, what is "x"?
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ANSWER B
16=22-6
Do the math on paper and you should get it.
The break even point is when profit is equal to zero, or in this case when p(x)=0
4x^2-28x+40=0
4(x^2-7x+10)=0
4(x^2-2x-5x+10)=0
4(x(x-2)-5(x-2))=0
4(x-5)(x-2)=0
So the break even points are when x=2 and 5, which is when 2000 and 5000 units are sold.