Danette and Marquan are trying to find [g f ](3) for f(x) = x 2 + 4x + 5 and g(x) = x -
Chapter 7, Problem 53(choose chapter or problem)
Danette and Marquan are trying to find [g f ](3) for f(x) = x 2 + 4x + 5 and g(x) = x - 7. Who is correct? Explain your reasoning. Marquan [g f](3) = f(3 7) = f(-4) = (-4 ) 2 + 4(-4) + 5 = 5 Danette [g f](3) = g((3 ) 2 + 4(3) + 5) = g(26) = 26 7 = 19
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