I need help please help me please! A certain radioactive element decays at a rate of 50% each hour. If the initial amount of the element is 9.5 grams, write an equation that represents the amount of the element after x hours. What is the number of grams of this element at 5 hours?

y > 1/3x

y < = -x + 4

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step-by-step explanation:

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answer is x<

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: