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anonymous

  • one year ago

Which of the following is the function representing the graph below? graph begins in the second quadrant near the line y equals 3 and increases slowly while crossing the ordered pair 0, 4. When the graph enters the first quadrant, it begins to increase quickly throughout the graph.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    options are A. f(x)=4^x B. f(x)=4^x-3 c. f(x)=4^x+3 d. f(x)=4^(x+3)

  3. welshfella
    • one year ago
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    Hint: when x = 0 , 4^x = 1

  4. welshfella
    • one year ago
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    - also the graph intersects the x axis at y = 4

  5. anonymous
    • one year ago
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    so would it be A?

  6. welshfella
    • one year ago
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    * correction - intersects the y-axis at y = 4

  7. welshfella
    • one year ago
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    if it wers A what would be the value of f(x) (that is y) when x = 0

  8. welshfella
    • one year ago
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    f(x) = 4^0 = ?

  9. anonymous
    • one year ago
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    i have no clue...

  10. welshfella
    • one year ago
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    as i said in my first post 4^0 = 1 anything to the power 0 = 1 if a was correct then the graph would pass through f(x) = 1 so it cant be A

  11. welshfella
    • one year ago
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    - that is a would pass through (0,1) - but it passes through f(x) at the point (0,4) so the whole graph has risen how many units from (0,1)?

  12. anonymous
    • one year ago
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    okay so would it be c?

  13. welshfella
    • one year ago
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    Yes + 3 rises it up 3 units

  14. welshfella
    • one year ago
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    c is correct

  15. anonymous
    • one year ago
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    thank you so much

  16. welshfella
    • one year ago
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    yw

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