Question: 1. Let f(x) = x + 3 and g(x) = x2 + 8x + 15. a) Determine an equation for the combined function Y =

1. Let f(x) = x + 3 and g(x) = x2 + 8x + 15. a) Determine an equation for the combined function Y = I (x) (5 g (x) marks) a) State the domain and range (5 marks) b) Sketch a graph of the function (5 marks) 10

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