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Evaluate Quadratic Functions Given f(x)=4x^(2)-2x+4, find f(-9)?

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Final answer:

To evaluate the quadratic function f(x) = 4x^2 - 2x + 4 at x = -9, substitute -9 for x in the function and simplify the expression.

Step-by-step explanation:

To evaluate the quadratic function f(x) = 4x^2 - 2x + 4 at x = -9, we substitute -9 for x in the function:

f(-9) = 4(-9)^2 - 2(-9) + 4

= 4(81) + 18 + 4

= 324 + 18 + 4

= 346

Therefore, f(-9) = 346.

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