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laughoutloud

  • one year ago

Help plz Shannon manages a small zoo and she has been analyzing the attendance data. Shannon finds that the number of visitors increases exponentially as the temperature increases, and this situation is represented by the function f(x) = 3x. Shannon also finds a linear equation that models the number of people who leave the park early depending on the change in temperature, and it is represented by f(x) = −x + 4. The graph of the two functions is below. Find the solution to the two functions and explain what the solution represents.

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  1. laughoutloud
    • one year ago
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  2. phi
    • one year ago
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    *** Find the solution to the two functions*** that is the point where the two curves cross. can you read the (x,y) point where the two lines meet?

  3. laughoutloud
    • one year ago
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    so I set it up as a set of solutions? y=-x-4 y=3x

  4. laughoutloud
    • one year ago
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    or would it just be (1,3)

  5. phi
    • one year ago
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    the "x" is an exponent in the 2nd equation and you should write it y= 3^x or use the equation editor \[ y= 3^x\] but that is hard to solve. You may not have learned how.

  6. laughoutloud
    • one year ago
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    no I haven't

  7. phi
    • one year ago
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    If you can read the point, it is (1,3) as a double check, for *both* equations, put in x=1 what do you get for y? g(x) = −x + 4 g(1)= -1+4 = 3 which works and f(x)= 3^x f(1)= 3^1 which means 3 so that works also. (It's always good to double check when you read a graph.. )

  8. laughoutloud
    • one year ago
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    Thank you so much :)

  9. phi
    • one year ago
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    *** explain what the solution represents*** the solution means when the temperature rises exactly 1 degree then the number of people arriving matches the number leaving

  10. laughoutloud
    • one year ago
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    Ok! that makes a lot of sense thank you!

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