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fiasKO [112]
3 years ago
7

Read the excerpt from "Flowers for Algernon."

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0

Answer:

d

Step-by-step explanation:

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A rectangular prymaid is sliced to its base as shown in the figure.
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To find the extreme values of a function​ f(x,y) on a curve xequals​x(t), yequals​y(t), treat f as a function of the single vari
pychu [463]

Answer:

Absolute maximum is 2  

Absolute minimum at -2

Step-by-step explanation:

The given parametric functions are:

x=2\cos t,y=2\sin t

By the chain rule:

f'(t)=\frac{\frac{dy}{dt} }{\frac{dx}{dt} }

\frac{df}{dt} =\frac{2 \cos t}{-2\sin t} =-\cot(t)

At fixed points, f'(t)=0

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This gives t=\frac{\pi}{2} ,\frac{3\pi}{2} on 0\le t\le 2\pi

This implies that the extreme points are (2\cos \frac{\pi}{2}, 2\sin \frac{\pi}{2})=(0,2) and (2\cos \frac{3\pi}{2}, 2\sin \frac{3\pi}{2})=(0,-2)

By eliminating the parameter, we have x^2+y^2=4

This is a circle with radius 2, centered at the origin.

Hence (0,2) is an absolute maximum ,at t=\frac{\pi}{2} and (0,-2) is an absolute minimum at  t=\frac{3\pi}{2}

7 0
3 years ago
Hello ppl........help plz
olya-2409 [2.1K]

Answer:

Answer is A. 36x-11y

Step-by-step explanation:

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grandymaker [24]

Answer:

B.

Step-by-step explanation:

That is an irrational number.

Examples are √2 and π.

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