Which of the following is not a way to represent the solution of the inequality 2(x + 1) greater than or equal to 20?
2 answers:
The answer to your question is C.A number line with a closed circle on 9 and shading to the left. I hope that this is the answer that you were looking for and it has helped you.
Answer:
option C
A number line with a closed circle on and shading to the left
Step-by-step explanation:
we have
solve for x
Subtract both sides
Divide by both sides
--------> is equivalent to
The solution is the interval--------> [9,∞)
All real numbers greater than or equal to
A number line with a closed circle on and shading to the right
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Answer:
a) Demand function:
b) The rebate should be of $200, so the sale price becomes $300 per unit.
c) The rebate should be of $150, so the sale price becomes $350 per unit.
Step-by-step explanation:
a) In this case, we have a known point of the demand function (1000 units sold at $500), and the slope of a linear function (increase by 100 units fora decrease in $10).
We can express the demand function (linear) as:
To calculate the slope m, we use:
To calculate b, we use the known point and the calculated slope:
Then the demand function is:
b) The revenue can be expressed as:
To maximize, we can derive and equal to zero
The rebate should be of $200, so the sale price becomes $300 per unit.
c) If we take into account the cost, we have that
To maximize, we can derive and equal to zero
The rebate should be of $150, so the sale price becomes $350 per unit.
So I can show you on a piece of paper
It’s reflections
Hope this helps *smiles*
It’s reflections
Hope this helps *smiles*