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joja [24]
3 years ago
15

The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5, 125) represent a function. What is a rule that represents this funct

ion?
A. y = x
B. y = 4x
C. y = x2
D. y = x3
Mathematics
1 answer:
Zarrin [17]3 years ago
8 0
The functions would be:

D. y=x³

We can check it out.

(1,1); x=1; y=1 ⇒1=(1)³=1*1*1=1
(2,8); x=2; y=8 ⇒8=(2)³=2*2*2=8
(3,27); x=3; y=27 ⇒27=3³=3*3*3=27
(4,64): x=4; y=64 ⇒64=4³=4*4*4=64
(5,125); x=5; y=125 ⇔ 125=5³=5*5*5=125
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Answer:

The dimensions of the screen are

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Width: 82 feet

Step-by-step explanation:

we know that

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A=LW

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W is the width

we have

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so

8,364=LW ----> equation A

The screen is 20 feet longer than it is wide.

so

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substitute equation B in equation A

8,364=(W+20)W

solve for W

8,364=W^2+20W\\W^2+20W-8,364=0

solve the quadratic equation by graphing

the solution is W=82 ft

see the attached figure

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L=82+20=102\ ft

therefore

The dimensions of the screen are

Length:102 feet

Width: 82 feet

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Step-by-step explanation:

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