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anonymous

  • one year ago

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −9 0 −1 1 7 g(x) = 3x − 2 Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) Part B: Which function has a greater y-intercept? Justify your answer. (4 points)

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  1. anonymous
    • one year ago
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    please help

  2. anonymous
    • one year ago
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    computer the slope of f(x)

  3. anonymous
    • one year ago
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    @jenny1994 computer?

  4. anonymous
    • one year ago
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    compute*

  5. anonymous
    • one year ago
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    @jenny1994 i don't know how to find the slope without the graph

  6. anonymous
    • one year ago
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    \(m=\dfrac{y_2-y_1}{x_2-x_1}\) take any 2 points

  7. anonymous
    • one year ago
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    so the first two on the table

  8. anonymous
    • one year ago
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    so we have \((x_1,y_1)=(−1 −9)\\ (x_2,y_2) =(0, −1)\) plug and play

  9. anonymous
    • one year ago
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    10?

  10. anonymous
    • one year ago
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    8 You can also look at the table. y goes up by 8 units with every 1 x unit if you want the work, |dw:1435690120022:dw|

  11. anonymous
    • one year ago
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    oooh

  12. anonymous
    • one year ago
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    do you know the slope of g(x)?

  13. anonymous
    • one year ago
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    3/1 ?

  14. anonymous
    • one year ago
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    or 3

  15. anonymous
    • one year ago
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    Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) right, so the question wants us to compare them. what does that mean?

  16. anonymous
    • one year ago
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    just show that the slope of f(x) is bigger?

  17. anonymous
    • one year ago
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    would i put the steps we did as the answer or just type 8>3

  18. anonymous
    • one year ago
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    definitely put the steps, and show how you got the slope using the slope formula. otherwise you're going to lose points unnecessarily then after that, put the slope of g(x) and then I guess it's enough to say 8>3 how about part B

  19. anonymous
    • one year ago
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    okay thanks and same thing but with y-intercept?

  20. anonymous
    • one year ago
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    so when you're given an equation of the form y=mx+b what is the y intercept?

  21. anonymous
    • one year ago
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    also conceptually what IS the y intercept?

  22. anonymous
    • one year ago
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    ok so the y intercept is the point where x=0 so when we have equations like \(y=5x+3\) the slope is 5 and the y-intercept is 3

  23. anonymous
    • one year ago
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    so for f(x), you can just look at the table for when x=0 and find the y intercept

  24. anonymous
    • one year ago
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    and for g(x) replace x with 0 and solve to find y

  25. anonymous
    • one year ago
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    ooooh okok i understand it better

  26. anonymous
    • one year ago
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    post what you get here so I can check your work

  27. anonymous
    • one year ago
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    how do i do that

  28. anonymous
    • one year ago
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    what do you mean?

  29. anonymous
    • one year ago
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    how can i post my work

  30. anonymous
    • one year ago
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    oh just type what you get

  31. anonymous
    • one year ago
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    oooh okay give me a minute

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