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keeponbleeding

  • 2 years ago

How do I add sqrt(3x+7) to sqrt(3x-7)?

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  1. surdawi
    • 2 years ago
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    \[\sqrt{3x+7}+\sqrt{3x+7}\] x + x =?

  2. surdawi
    • 2 years ago
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    @keeponbleeding you there

  3. keeponbleeding
    • 2 years ago
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    The second one is 3x-7 not +7 but x+x =2x...

  4. surdawi
    • 2 years ago
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    \[\sqrt{3x+7}+\sqrt{3x-7}\] you cant add them unless you have a value for x

  5. keeponbleeding
    • 2 years ago
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    well actually the question was a function: f(x)=sqrt(3x+7) g(x)= sqrt(3x-7)? Find (f + g)(x). So I thought Id add them…

  6. surdawi
    • 2 years ago
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    correct just put the "+" between them and you are good to go

  7. keeponbleeding
    • 2 years ago
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    ohhh. k, its that easy...thanks! :)

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