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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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Jul 8, 2017
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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.
Mathematics
high-school
Ruben Marin
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Ruben Marin
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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
Stewart Evans
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Jul 13, 2017
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Stewart Evans
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