CHECK PLEASE Tan BEHAviour IN TRANSFORMATION

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The discussion focuses on the differences between the functions y = -tan(-2x + π) and y = tan(x). The first function exhibits a horizontal compression by a factor of 1/2, is reflected across both the x and y-axes, and includes a horizontal translation of π/2 units to the left, along with a vertical displacement of 3 units upward. A participant points out a potential mistake in the rearrangement, suggesting it should be -2(x - π/2) instead of plus. The conversation highlights the importance of careful examination in mathematical transformations. Overall, the participants are engaged in clarifying the transformations of the tangent function.
aisha
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HOw does y-3=-\tan (-2x+\pi) differ from y=tan(x)

y=-\tan [-2 (x+ \frac {\pi} {2} )] +3 rearranged

It differs because it has a

Horizontal compression by a factor of 1/2
it is reflected in the x and y-axis
there is a horizontal translation \frac {\pi} {2} units to the left
and a vertical displacement 3 uinits up.

Can someone please tell me if I made any mistakes?
 
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Looks like a good start.
 
hallosivy, shouldn't that be -2(x-pi/2) instead of plus ?
 
Yep, sorry, didn't look close enough.
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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