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A099- Formalizing Relations and Functions

Is the following relation shown a function?

(-2,0.5),(0,2.5),(4,6.5),(5,2.5)

Question 1 of 10

Is the following relation shown a function?

(6,5),(4,3),(6,4),(5,8)

Question 2 of 10

Is the following relation shown a function?

(4.2,1.5),(5.2,2),(7.4,8),(4.2,0)

Question 3 of 10

Is the following relation shown a function?

(-1,1),(-2,2),(4,-4),(7,-7)

Question 4 of 10

Is the following relation shown a function?
A099_5

Question 5 of 10

Is the following relation shown a function?A099_6

Question 6 of 10

The function f(x)=7x+100 represents the cost of a gym membership. If x represents the number of months, how much does it cost to have a membership for a year?

Question 7 of 10

The function f(x)=450x represents the number of words Stuart can type in x minutes. How many words can he type in half an hour?

Question 8 of 10

The function f(x)=5000x-50 represents the population of deer in New York with x representing the years after the 2000. How many deer will there be in 2016?

Question 9 of 10

The function f(x)=\frac{100,000}{x} +5000 represents the population of the Spix’s Macaw, an endangered species. What will the population be in 2020 if x is the number of years after 2000?

Question 10 of 10


 

 

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