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anonymous

  • one year ago

Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work.

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  1. anonymous
    • one year ago
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    f(g(x)) means replace all the x's in f(x) with g(x) \[f(g(x))=f(2x^2+5)\] \[f(g(x))=(2x^2+5)^2+(2x^2+5)+2\]

  2. anonymous
    • one year ago
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    Is that the answer??

  3. anonymous
    • one year ago
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    yes

  4. anonymous
    • one year ago
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    Thank you so much. Can you please help me with this last one? Solve the equation the square root of the quantity x minus 6 plus 2 equals 6 for the variable. Show each step of your solution process.

  5. anonymous
    • one year ago
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    use the draw function to draw it out

  6. anonymous
    • one year ago
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    |dw:1435876612227:dw|

  7. anonymous
    • one year ago
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    whats all under the square root?

  8. anonymous
    • one year ago
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    under the square root is just x-6

  9. anonymous
    • one year ago
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    subtract the 2 from both sides |dw:1435876981218:dw|

  10. anonymous
    • one year ago
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    and then square root both sides?

  11. anonymous
    • one year ago
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    No. square both sides

  12. anonymous
    • one year ago
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    |dw:1435877200420:dw|

  13. anonymous
    • one year ago
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    thanks man this helped me a lot

  14. anonymous
    • one year ago
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    no problem

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spraguer (Moderator)
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