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leozap1

  • one year ago

Anyone know of a site that could answer these types of questions? Mathway won't answer these types. *Fan & Medal* Let f(x) = -5x - 4 and g(x) = 6x - 7. Find f(x) + g(x)

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  1. anonymous
    • one year ago
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    http://www.algebra.com/algebra/homework/Functions/Functions.faq.question.824363.html

  2. leozap1
    • one year ago
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    That's a different question, but I'll ask on the site. Thanks.

  3. zepdrix
    • one year ago
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    \[\large\rm \color{royalblue}{f(x) = -5x - 4} \quad\text{and}\quad \color{orangered}{g(x) = 6x - 7}\]Then,\[\large\rm \color{royalblue}{f(x)}+\color{orangered}{g(x)}=\color{royalblue}{-5x-4}+\color{orangered}{6x-7}\]

  4. zepdrix
    • one year ago
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    Combine like-terms: -5x + 6x = ? -4 -7 = ?

  5. leozap1
    • one year ago
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    -5x + 6x = 1x so just x. -4 - 7 = -11. So the answer is x - 11?

  6. zepdrix
    • one year ago
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    yay good job \c:/

  7. leozap1
    • one year ago
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    Yay, thank you! :D

  8. leozap1
    • one year ago
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    Could you help me with some more? f(x) = 3x+2 and g(x) = 6x - 7. I tried working it out and I got 9x-5, but that's not an answer choice.

  9. leozap1
    • one year ago
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    Nvm It's -3x + 9

  10. leozap1
    • one year ago
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    It was negative not positive.

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