sm4ileenTribethx sm4ileenTribethx

05-05-2016
Mathematics

contestada

Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a).

Show all work to evaluate f(a) using the function you created.

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paquitotrek paquitotrek

19-05-2016

our quadratic polynomial function is:

f(x) = 4x^2 + 2x + 5

our linear binomial form is:
x - a = -2
hence:
a = x + 2

and so we have:
f(x) = 4x^2 + 2x + 5
f(a) = 4(x + 2)^2 + 2(x + 2) + 5
= 4(x^2 + 4x + 4) + 2x + 4 + 5
f(a) = 4x^2 + 18x + 25

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