Consider the following algorithm (known as Horners rule) to evaluate f(x) = Ni=0

Chapter 2, Problem 2.14

(choose chapter or problem)

Consider the following algorithm (known as Horners rule) to evaluate f(x) = Ni=0 aixi:poly = 0;for( i = n; i >= 0; i-- )poly = x * poly + a[i];a. Show how the steps are performed by this algorithm for x = 3, f(x) = 4x4 +8x3 + x + 2.b. Explain why this algorithm works.c. What is the running time of this algorithm?

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