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Soloha48 [4]
3 years ago
6

Is the following relation a function? {0.3,0.6), (0.4,0.8), (0.3,0.7), (0.5,0.5)}

Mathematics
1 answer:
diamong [38]3 years ago
7 0
Keep in mind the definition of a function. For 2 points, (x,y) and (x,z) it is a function only if y = z. 
Because you have the points {0.3,0.6} and {0.3,0.7}, for it to be a function, 0.6 would have to equal 0.7. Since this is clearly false, it is not a function. 
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meriva

Answer: it will take 12 years for both trees to be of the same height.

Step-by-step explanation:

Let x represent the number of years that it will take for the blue spruce and the hemlock to be the same height.

A blue spruce grows an average of 6 inches per year. If a blue spruce is 4 feet tall,

1 inch = 0.0833 feet

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it means that its height in x years would be

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A hemlock grows an average of 4 inches per year. If a hemlock is 6 feet tall.

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x = 2/0.1666

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