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lozanna [386]
3 years ago
7

The zeros of the function are , 3, and , and the y-intercept of the function is located at .

Mathematics
1 answer:
MissTica3 years ago
8 0

Answer:

The zeroes are -1, 3, and -2

The y intercept is located at (0,6)

Step-by-step explanation:

(x+2)=0

x=-2

The easiest way is to use an online graph like desmos and graph the problem there. You can see where the y intercept is.

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Step-by-step explanation:

n = 3, so substitute 3 for n in the equation

k = 3(3)

k = 9

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Step-by-step explanation:

the time is 1/3rd of the distance. it's a 1:3 ratio

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The graph of the line passes through the points (0,-2) and (6,0). What is the equation of the line?
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3 years ago
You have 108 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the River
Licemer1 [7]

Answer:

The length and width of the plot that will maximize the area of the rectangular plot are 54 ft and 27 ft respectively.

Step-by-step explanation:

Given that,

The length of fencing of the rectangular plot is = 108 ft.

Let the longer side of the rectangular plot be x which is also the side along the river side and the width of the rectangular plot be y.

Since the fence along the river does not need.

So the total perimeter of the rectangle is =2(x+y) -x

                                                                    =2x+2y-y

                                                                    =x+2y

So,

x+2y =108

⇒x=108 -2y

Then the area of the rectangle plot is A = xy

A=xy

⇒A= (108-2y)y

⇒ A = 108y-2y²

A = 108y-2y²

Differentiating with respect to x

A'= 108 -4y

Again differentiating with respect to x

A''= -4

For maximum or minimum, A'=0

108 -4y=0

⇒4y=108

\Rightarrow y=\frac{108}{4}

⇒y=27.

A''|_{y=27}=-4

Since at y= 27, A''<0

So, at y=27 ft , the area of the rectangular plot maximum.

Then x= (108-2.27)

          =54 ft.

The length and width of the plot that will maximize the area of the rectangular plot are 54 ft and 27 ft respectively.                                                              

3 0
3 years ago
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