Is this relation a function? EXPLAIN WHY OR WHY NOT

Mathematics

1 answer:

olga_2 [115]3 years ago

5 0

This relation is a function, because you are assigning one y-value to each x-value. In other words, you can perform the vertical line test: you can see that every vertical line crosses the graph at most once.

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Lucas has 18 coins. there are three times as many pennies as dimes and twice as many nickels as dimes. the number of each coin i

balu736 [363]

18=p+d+n, 3p=d, 2n=d
The lowest number that is divisible by 3&2 is 6 so, there is 6 nickels.
There is 6 nickels and there is half of that in dimes, 3 dimes.
There is three times the amount of pennies of dimes. 3*3=9. There is 9 pennies.
6 nickels + 3 dimes + 9 pennies= 18 coins

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I’ve attached a photo with the definition and my answers
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