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State the domain and range of f(x) if h(x) =f(x) +g(x) and h(x) = x2-4x +3 when g(x) =x -1. Select one: O a. x23. y z z O b. X ER , yz - OC x27' 2, yER O d. X ER, y ER Identify the false statement. Select one: O a. if f(x)- g(x)= h(x), then g(x) =f(x)-h(x) O b. if f(x)+ g (x)= h(x), then f(x) = h(x)-g(x) O c. if h ( x) = f(x)+g (x), then g(x) =f(x)-h(x) O d. if h (x) = g(x)+g (x), then 2g (x) = h(xx The graph of the function h(x) = (gf)(x) passes through the point (2, k), the graph of g(x) passes through the point (2, -6), and the graph of f(x) passes through the point (2, -5). The value of k is