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anonymous
 one year ago
HELP PLEASE!
I need help with part B and part C.
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)
anonymous
 one year ago
HELP PLEASE! I need help with part B and part C. 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)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so.. what did you get for part A?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That it is a function.Its a function because for every domain theres a range.You can only have one range for each domain.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0divide input by 2 see what you get?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0right.... well, for part B is only asking, what's "y" when x = 8 from the table data? and what's "y" when x = 8 for the expresion f(x)=y = 3x10? which one is biggers?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\(\begin{array}{llll} x&y \\\hline\\ 2&1\\ 4&2\\ 6&3\\ {\color{red}{ 8}}&{\color{blue}{ 4}} \end{array}\qquad \qquad \begin{array}{llll} f(x)={\color{blue}{ y}}=3{\color{red}{ x}}10 \\ \quad \\ f(x)={\color{blue}{ y}}=3{\color{red}{ (8)}}10 \end{array} \)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so... notice what "y" is for the data table, is 4, when x =8 what about the 3x10? when x = 8, what is "y"?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what @jdoe0001 is struggling to say is that a function is a special type of relation in which there is a oneto one correspondence between the x(input) and the y(output)
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