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anonymous

  • one year ago

If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to s(t(-7)) –439 –141 153 443

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  1. SolomonZelman
    • one year ago
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    first you need to find the s(t(x)).

  2. SolomonZelman
    • one year ago
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    plug in 3x instead of x, into 2-x²

  3. SolomonZelman
    • one year ago
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    u get?

  4. anonymous
    • one year ago
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    -7

  5. anonymous
    • one year ago
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    @SolomonZelman

  6. SolomonZelman
    • one year ago
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    s(x) = 2 – x² correct?

  7. anonymous
    • one year ago
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    correct

  8. SolomonZelman
    • one year ago
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    ok, if I wanted to find s(A) wat would I do?

  9. anonymous
    • one year ago
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    s(A)? I dont know

  10. SolomonZelman
    • one year ago
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    s(x)=2-x² s(A)=2-(A)² just sub A for x

  11. SolomonZelman
    • one year ago
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    what if I wanted to find s(3), what would I do?

  12. anonymous
    • one year ago
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    sub x for 3?

  13. SolomonZelman
    • one year ago
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    yes sub 3 for x

  14. SolomonZelman
    • one year ago
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    s(x)=2-x² s(3) = ?

  15. anonymous
    • one year ago
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    -7?

  16. anonymous
    • one year ago
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    right?

  17. SolomonZelman
    • one year ago
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    yes

  18. SolomonZelman
    • one year ago
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    so s(x)=2-x² what is s(3x) ?

  19. anonymous
    • one year ago
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    sorry back was helping my dad

  20. anonymous
    • one year ago
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    2-3x^2?

  21. SolomonZelman
    • one year ago
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    i am helping another student too, so it's ok

  22. SolomonZelman
    • one year ago
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    s(3x)=2-(3x)² like this

  23. anonymous
    • one year ago
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    okay haha

  24. SolomonZelman
    • one year ago
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    s(x-3)=?

  25. anonymous
    • one year ago
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    x

  26. anonymous
    • one year ago
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    ugghh im confused

  27. anonymous
    • one year ago
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    @SolomonZelman

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