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Algebra: find the given new functions. Please show work?

Let f(x) = -2x^2 + 3x, g(x) = 2/x-5, h(x) = 2x/x+1. Find the given new functions and simplify your answers completely.

a. (h o g) (x)

b. g(f(-2))

c. f(h(x))

1 Answer

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  • Anonymous
    9 years ago
    Favorite Answer

    I'll tell you the steps but won't solve. It's ur homework:

    A. Take the equation from g(x) and plug

    It into the x's of h(x) -->

    h(2/x-5)= 2(2/x-5)/(2/x-5) + 1 --> solve

    B. plug -2 into the x's in the f(x) equation. Solve. Take that value and plug it into the x's in the g(x) equation.

    C. I actually don't feel like explaining this one:

    F(2x/x + 1)= 2(2x/x + 1)^2 + 3(2x/x + 1) -->

    Foil (2x/x + 1)(2x/x + 1). Then multiply and add. X's will be in answer.

    Source(s): I took this class already
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