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GiggleSquid Group Title

if f(x)=2x+8 and g(x)=x^4, what is (gof)(-3)

  • one year ago
  • one year ago

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  1. GiggleSquid Group Title
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    the o being the little circle thing

    • one year ago
  2. ParthKohli Group Title
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    \(g \circ f (x) = g(f(x)) \)

    • one year ago
  3. ParthKohli Group Title
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    \(g(2x + 8) \Longrightarrow (2x + 8)^4\)

    • one year ago
  4. ParthKohli Group Title
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    \(g(f(-3))\)

    • one year ago
  5. lgbasallote Group Title
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    first find f(-3) \[f(-3) = 2(-3) + 8 \implies -6 + 8 \implies 2\] now find g(2) \[g(f(-3)) = g(2) = (2)^4 \implies 2 \times 2\times 2 \times 2 \implies 16\]

    • one year ago
  6. ParthKohli Group Title
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    That'd look like \(g(f(x)) = (2x + 8)^4 \Longrightarrow (2(-3) + 8)^4\)

    • one year ago
  7. GiggleSquid Group Title
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    thanks for the quick reply parth! Good answer lg

    • one year ago
  8. ParthKohli Group Title
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    That's right. It's an answer.

    • one year ago
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