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Answer all the questions below for your SOB to be observed. You might be asked to explain them verbally. We rely on the following

 


Answer all the questions below for your SOB to be observed. You might be asked to explain them verbally. We rely on the following function composition definition: (fog)(x) = f(g(x)). Example: Let f(x) 3x and g(x)-2x + 1 (with f and g defined from RR). then (fog)(x)f(g(x)) f(2x + 1)-3(2x + 1) = 6x +3. Consider the following function: f:R R f(x) - cos() Classify this relation and explain why it is a function? What can you say about ran(f)? Let f : WT and g:S W be two functions. Prove, relying on a mathematical reasoning, that the target of (fog) will be the target off but the range of (f o g) is not necessarily the range of f. Consider the following function: f:Z Z f(x) - x+3 Is f one-to-one? Is f total? If not, how could you modify the signature of f to make it total. Let f(x) and g(x)-x-4 where f,g: R+ 4 > R. Formulate (gog)(x). (fog)(x). (go f)(x). For each of these functions, indicate if it is or not total. Justify your answers using a mathematical reasoning. Let f WT and g: SW. Demonstrate, using a mathematical reasoning, that (fog) is one-to-one f is one-to-one but (fog) is one-to-one f is one-to-one. Activate Wind se to Settings to a

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