If f(x)=2x^2-1 and g(x)= -5x , write a function rule representing the result of each function operation. a.) (fg)(x)

Question

If f(x)=2x^2-1 and g(x)= -5x , write a function rule representing the result of each function operation.

a.) (fg)(x)

b.) (g of f)(x)

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    2021-10-11T03:42:46+00:00

    a.) (fg)(x) = (2x^2 – 1)(-5x) = -10x^3 + 5x

    b.) (g of f)(x) = g(f(x)) = -5(2x^2 – 1) = -10x^2 + 5

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