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March 30, 2017

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1)Expand and simplify. Express each equation in standard form.
a) f(x) = -2(x-1)(x+4)(x+1)(x-3)
b) f(x) = (x+2)(x+1)(x+4)
c) f(x) = x(x-6)

2) For each function in question 1. state the degree of the polynomial and identify the type of function

  • Math---helpppp - ,

    just a lot of number crunching
    I will do the 2nd one, I am sure you can do the others

    f(x) = (x+2)(x+1)(x+4)
    = (x+2)(x^2 + 4x + x + 4)
    = (x+2)(x^2 + 5x + 4)
    = x^3 + 5x^2 + 4x + 2x^2 + 10x + 8
    = x^3 + 7x^2 + 14x + 8

    3rd degree function, called a cubic

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