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Suppose that the functions p and q are defined as follows. p(x) = -x - 1 q(x) = 2x² - 2 Find the following. (q º p)(-4) = (q º p)(-4) =
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Suppose that the functions p and q are defined as follows.

p(x) = -x - 1
q(x) = 2x² - 2
Find the following.
(q º p)(-4) =
(q º p)(-4) =

User Dreamwagon
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1 Answer

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p(x) = -x - 1
q(x) = 2x^2 - 2

(q o p)(-4) = 2(-x - 1)^2 - 2
(q o p)(-4) = 2(-x^2 + x + x + 1) - 2
(q o p)(-4) = 2(-x^2 + 2x + 1) - 2
(q o p)(-4) = -2x^2 + 4x + 2 - 2
(q o p)(-4) = -2x^2 + 4x
User Cygri
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