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aleksandrvk [35]
3 years ago
6

Which set or ordered pairs represents y as a unction Or X!

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0

A relation is said to be a function when every element in the domain has one and only one distinct image in the co- domain.

In the first three options , one single element in domain has more than one image.

(-2,3), (-2, 2), (-2, 1), (-2, 0)

here -2 as an element in the domain has 3,2,1,0 has image-----> so not a function

(10, 15), (5, 1), (10, 6), (6, 10)

Here 10 , an element in the domain has 15,6 as image-----> so not a function

(-11, 2), (3,8), (3, 2), (2, 2)

Here 3, as an element in the domain has 8 and 2 as image-----> so not a function

So, OPTION D

(1,6), (2, 5), (10, 5), (-17, 8)

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The Problem pertains to compounding interest with varying rates over the years. Our approach to solve the problem would be in a chronological fashion starting with the 1st year

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Time period would be 1 year since the interest are considered for successive years.

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⇒Amount for the last year at 3% rate= 10,221.12(1+3/100)

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Hence the present value of the amount is $ 10527.75 after the end of 4 years.

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little rusty but I think its b sorry if wrong

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