(a) Express the area A of the rectangle as a function ofwhere x is the length of the rectangle.(b) For what value of x is the area largest?(c) What is the maximum area?45. Enclosing the Most Area with a Fence A farmer with 4000meters of fencing wants to enclose a rectangular plot thatborders on a river. If the farmer does not fence the side alongthe river, what is the largest area that can be enclosed? (Seethe figure.)et belawd dd48XXX4000-2x46. Enclosing the Most Area with a Fence A farmer with 2000meters of fencing wants to enclose a rectangular plot thatborders on a straight highway. If the farmer does not fencethe side along the highway, what is the largest area that canbe enclosed?47. Analyzing the Motion of a Projectile A projectile is firedfrom a cliff 200 feet above the water at an inclination of 45°to the horizontal, with a muzzle velocity of 50 feet per sec-ond. The height h of the projectile above the water is given by

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Asked Oct 28, 2019
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I need help with number 46

(a) Express the area A of the rectangle as a function of
where x is the length of the rectangle.
(b) For what value of x is the area largest?
(c) What is the maximum area?
45. Enclosing the Most Area with a Fence A farmer with 4000
meters of fencing wants to enclose a rectangular plot that
borders on a river. If the farmer does not fence the side along
the river, what is the largest area that can be enclosed? (See
the figure.)
et belaw
d dd
48
X
XX
4000-2x
46. Enclosing the Most Area with a Fence A farmer with 2000
meters of fencing wants to enclose a rectangular plot that
borders on a straight highway. If the farmer does not fence
the side along the highway, what is the largest area that can
be enclosed?
47. Analyzing the Motion of a Projectile A projectile is fired
from a cliff 200 feet above the water at an inclination of 45°
to the horizontal, with a muzzle velocity of 50 feet per sec-
ond. The height h of the projectile above the water is given by
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(a) Express the area A of the rectangle as a function of where x is the length of the rectangle. (b) For what value of x is the area largest? (c) What is the maximum area? 45. Enclosing the Most Area with a Fence A farmer with 4000 meters of fencing wants to enclose a rectangular plot that borders on a river. If the farmer does not fence the side along the river, what is the largest area that can be enclosed? (See the figure.) et belaw d dd 48 X XX 4000-2x 46. Enclosing the Most Area with a Fence A farmer with 2000 meters of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed? 47. Analyzing the Motion of a Projectile A projectile is fired from a cliff 200 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 50 feet per sec- ond. The height h of the projectile above the water is given by

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Expert Answer

Step 1

Let the field has one side =x and other side =y

So i...

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