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Write a program that evaluates the polynomial 8x - 4x + 2x Your program should . Prompt the user to enter a value for

Write a program that evaluates the polynomial 8x - 4x + 2x Your program should . Prompt the user to enter a value for z. Display the value of the polynomial at z. Use a function to compute the value of the polynomial. Handle the user interface in the main function.

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