Is a 90° counter clockwise rotation about the origin and then 180° rotation about the origin same as 180° rotation about the ori
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2 answers:
Answer:
I wouldn't think so because in the screenshots below, the first one of a 90° clockwise rotation then of a 180° clockwise rotation, the second one of a 180° clockwise rotation, you can tell they're not in the same spots, therefore our answer would be no, a 90° then a 180° rotation is NOT the same as a 180° rotation around the origin
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Answer:
The number of elephant ears that must be sold to maximize profit is 400.
Step-by-step explanation:
Given that,
The profit that a vendor makes per day is given by
P(x)= - 0.004x² +3.2 x -200
where x is number of elephant ears.
P(x)= - 0.004x² +3.2 x -200
Differentiating with respect to x
P'(x)= - 0.008x+3.2
Again differentiating with respect to x
P''(x) = -0.008
For maximum or minimum P'(x)=0
- 0.008x+3.2=0
⇒0.008x=3.2
⇒ x = 400
Since at x=400, P''(x)<0, the profit is maximize.
P(400) = -0.004×400²+3.2×400-200
=440
The number of elephant ears that must be sold to maximize profit is 400.