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fgiga [73]
3 years ago
5

Which set of odered pairs is not a function?​

Mathematics
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

your answer is A, im sure of

Step-by-step explanation:

andriy [413]3 years ago
4 0

Answer:

Set A (Top Left)

Step-by-step explanation:

A function's inputs is assigned to exactly one output. This means a function's inputs must not repeat.

The input of '3' repeats in the top left set given, so it is not a function.

{(<u>3</u>,1), (2,1), (1,2), (<u>3</u>,2)}

Hope this helps you.

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M = hours driven by Maria

c = hours driven by Carlos

since we know that Carlos was driving at an average of 52 mph, then in 1 hour he drove 52 miles, in 2 hours he drove 2*52 miles in "c" hours he drove c*52 miles or 52c.

Maria on the other hand is faster and does 54 mph, in 1 hour she does 1 * 54 miles, and on 2 hours she does 2 * 54 miles and in "m" hours she does m * 54 miles or 54m.

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we also know it took 4.1 for the whole trip, so m + c = 4.1.

\bf \begin{cases}&#10;m+c=4.1\implies \boxed{c}=4.1-m\\&#10;54m+52c=217\\&#10;-------------\\&#10;54m+52\left( \boxed{4.1-m} \right)=217&#10;\end{cases}&#10;\\\\\\&#10;54m-52m+213.2=217\implies 2m=3.8&#10;\\\\\\&#10;m=\cfrac{3.8}{2}\implies m=1.9

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