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05-12-2019
Mathematics

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Given the functions k(x) = 2x^2 − 7 and p(x) = x − 4, find (k ∘ p)(x).

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05-12-2019

Answer:

= 2x^3-8x^2-7x+28

Step-by-step explanation:

Multiply k(x) by p(x):

(2x^2-7)(x-4) = 2x^3-8x^2-7x+28

(don't forget to add the exponent when you multiply it by x: 2x^2*x = 2x^3)

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