Yefim S. answered • 09/02/20
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(g•f)(x) = g(f(x)) = -4(5x - 7)2 + 4(5x - 7) + 4 = -100x2 + 280x - 196 + 20x - 28 + 4 = - 100x2 + 300x - 220
Carolann R.
asked • 09/02/20Given the following functions f(x) and g(x), find (g∘f)(x). f(x)=5x-7 , g(x)=-4x^2+4x+4
find (g∘f)(x)
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Patrick B. answered • 09/02/20
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4(5x-7)^2 + 4(5x-7) + 4
4(25x^2 -70x + 49) + 20x - 28 + 4=
100x^2 - 280x + 196 + 20x - 28 + 4=
100x^2 - 260x +172
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