Question

If p(x) = x³ - 4x + 3, evaluate p(2) + p(-1) + p(1/2)

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

p(x)=$x^{3}$-4x+3

p(2)=$2^{3}$-4(2)+3

       8-8+3

     =0=3 = 3

p(-1)=$-1^{3}$-4(-1)+3

        -1--4+3

      = -1+4+3

      = 3+3=6

p(1/2)=$1/2^{3}$-4(1/2)+3

       = 1/8-2+3

       = 1/8+1 = 9/8 =

       

3+6+9/8 (using lcm)

24/8+48/8+9/8= 81/8