Question

Question 4 (10 points)
(03.03 HC)
The table shows the outputs, y, for different inputs, x:

Input
(x) 2 4 6 8
Output
(y) 1 2 3 4
Part A: Do the data in this table represent a function? Justify your answer. (3 points)

Part B: Compare the data in the table with the relation f(x) = 3x − 10. Which relation has a greater value when x = 8? (2 points)

Part C: Using the relation in Part B, what is the value of x if f(x) = 80? (5 points)

(10 points)

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

A) sure there is one value of y for every value of x

B) in table y = 8

in function

y = 5(11) - 21 = 55-21 = 34

C) 99 = 5 x - 21

5 x = 120

x = 24