Evaluate a composite function?

Attachment image

2 Answers

Relevance
  • 6 months ago

    f(g(x)) => (4 + 3x)² - 20

    so, f(g(x)) = 9x² + 24x - 4

    Hence, f(g(-3)) = 9(-3)² + 24(-3) - 4 => 81 - 72 - 4 = 5

    :)>

  • First find g(-3)

    g(-3) = 4 + 3 * (-3) = 4 - 9 = -5

    Now find f(-5)

    f(-5) = (-5)^2 - 20 = 25 - 20 = 5

    There you go.

Still have questions? Get answers by asking now.