3 years ago

Which of the following data sets represent a function?

Mathematics

1 answer:

scoundrel [369]3 years ago

7 0

Answer:

{(3,9) , (7,4) , (1,6)} represents a function.

Step-by-step explanation:

A function must have only one x-value per y-value. There cannot be two or more x-values in a function with different y-values. All of the other options have two or more x-values that are the same.

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Which price is cheaper? 20% off the original price of $29.99 or 10% off the original price of $26 for a book?

Archy [21]

20% off means that now it costs 80% of original price
80% = 0.8
costs 80% of (means here times (*))original price
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10% off means that now it costs 90% of original price
90%=0.9
costs 90% of (means here times (*))original price
26*0.9=23.40
23.99>23.40,
so is
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Step-by-step explanation:

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3 years ago

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marta [7]

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4 years ago

Some friends plotted the locations of their house on a map. brianna's house is at (1,6), Jordan's house is at (5,3). What is one

Rufina [12.5K]

Let
A (1,6)------> location brianna's house on a map
B (5,3)------> location Jordan's house on a map

we know that
One possible path from brianna's house to jordan's house it's a straight line ( the shortest distance)

using a graph tool
see the attached figure

find the distance points AB
d=√[(y2-y1)²+(x2-x1)²]-----> d=√[(3-6)²+(5-1)²]----> d=√[3²+4²]
d=√25----> d=25 units

the distance from brianna's house to jordan's house is 25 units

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3 years ago